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-rw-r--r--fs/buffer.c1
-rw-r--r--fs/cifs/cifsfs.c1
-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/file.c141
-rw-r--r--fs/cifs/smb1ops.c8
-rw-r--r--fs/cifs/smb2ops.c2
-rw-r--r--fs/cifs/transport.c6
-rw-r--r--fs/debugfs/inode.c2
-rw-r--r--fs/exec.c3
-rw-r--r--fs/ext4/Kconfig2
-rw-r--r--fs/ext4/namei.c3
-rw-r--r--fs/file.c2
-rw-r--r--fs/jbd/journal.c3
-rw-r--r--fs/nfs/callback_proc.c2
-rw-r--r--fs/nfs/dir.c16
-rw-r--r--fs/nfs/nfs4proc.c18
-rw-r--r--fs/nfs/pnfs.c2
-rw-r--r--fs/nfs/read.c10
-rw-r--r--fs/nfs/super.c2
-rw-r--r--fs/nfs/write.c10
-rw-r--r--fs/pstore/ram.c14
-rw-r--r--fs/pstore/ram_core.c9
-rw-r--r--fs/seq_file.c2
-rw-r--r--fs/splice.c4
-rw-r--r--fs/udf/super.c3
-rw-r--r--fs/xfs/xfs_buf.c12
-rw-r--r--fs/xfs/xfs_buf.h6
-rw-r--r--fs/xfs/xfs_buf_item.c49
-rw-r--r--fs/xfs/xfs_buf_item.h2
-rw-r--r--fs/xfs/xfs_dir2_block.c6
-rw-r--r--fs/xfs/xfs_qm_syscalls.c4
-rw-r--r--fs/xfs/xfs_trans_buf.c27
32 files changed, 218 insertions, 156 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index c017a2dfb909..7a75c3e0fd58 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2935,6 +2935,7 @@ static void guard_bh_eod(int rw, struct bio *bio, struct buffer_head *bh)
void *kaddr = kmap_atomic(bh->b_page);
memset(kaddr + bh_offset(bh) + bytes, 0, bh->b_size - bytes);
kunmap_atomic(kaddr);
+ flush_dcache_page(bh->b_page);
}
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index f653835d067b..de7f9168a118 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -228,7 +228,6 @@ cifs_alloc_inode(struct super_block *sb)
cifs_set_oplock_level(cifs_inode, 0);
cifs_inode->delete_pending = false;
cifs_inode->invalid_mapping = false;
- cifs_inode->leave_pages_clean = false;
cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */
cifs_inode->server_eof = 0;
cifs_inode->uniqueid = 0;
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index aea1eec64911..e6899cea1c35 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -386,6 +386,7 @@ struct smb_version_values {
unsigned int cap_unix;
unsigned int cap_nt_find;
unsigned int cap_large_files;
+ unsigned int oplock_read;
};
#define HEADER_SIZE(server) (server->vals->header_size)
@@ -1030,7 +1031,6 @@ struct cifsInodeInfo {
bool clientCanCacheAll; /* read and writebehind oplock */
bool delete_pending; /* DELETE_ON_CLOSE is set */
bool invalid_mapping; /* pagecache is invalid */
- bool leave_pages_clean; /* protected by i_mutex, not set pages dirty */
unsigned long time; /* jiffies of last update of inode */
u64 server_eof; /* current file size on server -- protected by i_lock */
u64 uniqueid; /* server inode number */
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 0a6677ba212b..8ea6ca50a665 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -238,6 +238,23 @@ out:
return rc;
}
+static bool
+cifs_has_mand_locks(struct cifsInodeInfo *cinode)
+{
+ struct cifs_fid_locks *cur;
+ bool has_locks = false;
+
+ down_read(&cinode->lock_sem);
+ list_for_each_entry(cur, &cinode->llist, llist) {
+ if (!list_empty(&cur->locks)) {
+ has_locks = true;
+ break;
+ }
+ }
+ up_read(&cinode->lock_sem);
+ return has_locks;
+}
+
struct cifsFileInfo *
cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
struct tcon_link *tlink, __u32 oplock)
@@ -248,6 +265,7 @@ cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
struct cifsFileInfo *cfile;
struct cifs_fid_locks *fdlocks;
struct cifs_tcon *tcon = tlink_tcon(tlink);
+ struct TCP_Server_Info *server = tcon->ses->server;
cfile = kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
if (cfile == NULL)
@@ -276,12 +294,22 @@ cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
INIT_WORK(&cfile->oplock_break, cifs_oplock_break);
mutex_init(&cfile->fh_mutex);
+ /*
+ * If the server returned a read oplock and we have mandatory brlocks,
+ * set oplock level to None.
+ */
+ if (oplock == server->vals->oplock_read &&
+ cifs_has_mand_locks(cinode)) {
+ cFYI(1, "Reset oplock val from read to None due to mand locks");
+ oplock = 0;
+ }
+
spin_lock(&cifs_file_list_lock);
- if (fid->pending_open->oplock != CIFS_OPLOCK_NO_CHANGE)
+ if (fid->pending_open->oplock != CIFS_OPLOCK_NO_CHANGE && oplock)
oplock = fid->pending_open->oplock;
list_del(&fid->pending_open->olist);
- tlink_tcon(tlink)->ses->server->ops->set_fid(cfile, fid, oplock);
+ server->ops->set_fid(cfile, fid, oplock);
list_add(&cfile->tlist, &tcon->openFileList);
/* if readable file instance put first in list*/
@@ -1422,6 +1450,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
struct cifsFileInfo *cfile = (struct cifsFileInfo *)file->private_data;
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
struct TCP_Server_Info *server = tcon->ses->server;
+ struct inode *inode = cfile->dentry->d_inode;
if (posix_lck) {
int posix_lock_type;
@@ -1459,6 +1488,21 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
if (!rc)
goto out;
+ /*
+ * Windows 7 server can delay breaking lease from read to None
+ * if we set a byte-range lock on a file - break it explicitly
+ * before sending the lock to the server to be sure the next
+ * read won't conflict with non-overlapted locks due to
+ * pagereading.
+ */
+ if (!CIFS_I(inode)->clientCanCacheAll &&
+ CIFS_I(inode)->clientCanCacheRead) {
+ cifs_invalidate_mapping(inode);
+ cFYI(1, "Set no oplock for inode=%p due to mand locks",
+ inode);
+ CIFS_I(inode)->clientCanCacheRead = false;
+ }
+
rc = server->ops->mand_lock(xid, cfile, flock->fl_start, length,
type, 1, 0, wait_flag);
if (rc) {
@@ -2103,15 +2147,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping,
} else {
rc = copied;
pos += copied;
- /*
- * When we use strict cache mode and cifs_strict_writev was run
- * with level II oplock (indicated by leave_pages_clean field of
- * CIFS_I(inode)), we can leave pages clean - cifs_strict_writev
- * sent the data to the server itself.
- */
- if (!CIFS_I(inode)->leave_pages_clean ||
- !(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO))
- set_page_dirty(page);
+ set_page_dirty(page);
}
if (rc > 0) {
@@ -2462,8 +2498,8 @@ ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov,
}
static ssize_t
-cifs_pagecache_writev(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t pos, bool cache_ex)
+cifs_writev(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos)
{
struct file *file = iocb->ki_filp;
struct cifsFileInfo *cfile = (struct cifsFileInfo *)file->private_data;
@@ -2485,12 +2521,8 @@ cifs_pagecache_writev(struct kiocb *iocb, const struct iovec *iov,
server->vals->exclusive_lock_type, NULL,
CIFS_WRITE_OP)) {
mutex_lock(&inode->i_mutex);
- if (!cache_ex)
- cinode->leave_pages_clean = true;
rc = __generic_file_aio_write(iocb, iov, nr_segs,
- &iocb->ki_pos);
- if (!cache_ex)
- cinode->leave_pages_clean = false;
+ &iocb->ki_pos);
mutex_unlock(&inode->i_mutex);
}
@@ -2517,60 +2549,32 @@ cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
struct cifsFileInfo *cfile = (struct cifsFileInfo *)
iocb->ki_filp->private_data;
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
- ssize_t written, written2;
- /*
- * We need to store clientCanCacheAll here to prevent race
- * conditions - this value can be changed during an execution
- * of generic_file_aio_write. For CIFS it can be changed from
- * true to false only, but for SMB2 it can be changed both from
- * true to false and vice versa. So, we can end up with a data
- * stored in the cache, not marked dirty and not sent to the
- * server if this value changes its state from false to true
- * after cifs_write_end.
- */
- bool cache_ex = cinode->clientCanCacheAll;
- bool cache_read = cinode->clientCanCacheRead;
- int rc;
- loff_t saved_pos;
+ ssize_t written;
- if (cache_ex) {
+ if (cinode->clientCanCacheAll) {
if (cap_unix(tcon->ses) &&
- ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0) &&
- (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(
- tcon->fsUnixInfo.Capability)))
+ (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability))
+ && ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0))
return generic_file_aio_write(iocb, iov, nr_segs, pos);
- return cifs_pagecache_writev(iocb, iov, nr_segs, pos, cache_ex);
+ return cifs_writev(iocb, iov, nr_segs, pos);
}
-
/*
- * For files without exclusive oplock in strict cache mode we need to
- * write the data to the server exactly from the pos to pos+len-1 rather
- * than flush all affected pages because it may cause a error with
- * mandatory locks on these pages but not on the region from pos to
- * ppos+len-1.
+ * For non-oplocked files in strict cache mode we need to write the data
+ * to the server exactly from the pos to pos+len-1 rather than flush all
+ * affected pages because it may cause a error with mandatory locks on
+ * these pages but not on the region from pos to ppos+len-1.
*/
written = cifs_user_writev(iocb, iov, nr_segs, pos);
- if (!cache_read || written <= 0)
- return written;
-
- saved_pos = iocb->ki_pos;
- iocb->ki_pos = pos;
- /* we have a read oplock - need to store a data in the page cache */
- if (cap_unix(tcon->ses) &&
- ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0) &&
- (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(
- tcon->fsUnixInfo.Capability)))
- written2 = generic_file_aio_write(iocb, iov, nr_segs, pos);
- else
- written2 = cifs_pagecache_writev(iocb, iov, nr_segs, pos,
- cache_ex);
- /* errors occured during writing - invalidate the page cache */
- if (written2 < 0) {
- rc = cifs_invalidate_mapping(inode);
- if (rc)
- written = (ssize_t)rc;
- else
- iocb->ki_pos = saved_pos;
+ if (written > 0 && cinode->clientCanCacheRead) {
+ /*
+ * Windows 7 server can delay breaking level2 oplock if a write
+ * request comes - break it on the client to prevent reading
+ * an old data.
+ */
+ cifs_invalidate_mapping(inode);
+ cFYI(1, "Set no oplock for inode=%p after a write operation",
+ inode);
+ cinode->clientCanCacheRead = false;
}
return written;
}
@@ -3577,6 +3581,13 @@ void cifs_oplock_break(struct work_struct *work)
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
int rc = 0;
+ if (!cinode->clientCanCacheAll && cinode->clientCanCacheRead &&
+ cifs_has_mand_locks(cinode)) {
+ cFYI(1, "Reset oplock to None for inode=%p due to mand locks",
+ inode);
+ cinode->clientCanCacheRead = false;
+ }
+
if (inode && S_ISREG(inode->i_mode)) {
if (cinode->clientCanCacheRead)
break_lease(inode, O_RDONLY);
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index a5d234c8d5d9..47bc5a87f94e 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -53,6 +53,13 @@ send_nt_cancel(struct TCP_Server_Info *server, void *buf,
mutex_unlock(&server->srv_mutex);
return rc;
}
+
+ /*
+ * The response to this call was already factored into the sequence
+ * number when the call went out, so we must adjust it back downward
+ * after signing here.
+ */
+ --server->sequence_number;
rc = smb_send(server, in_buf, be32_to_cpu(in_buf->smb_buf_length));
mutex_unlock(&server->srv_mutex);
@@ -952,4 +959,5 @@ struct smb_version_values smb1_values = {
.cap_unix = CAP_UNIX,
.cap_nt_find = CAP_NT_SMBS | CAP_NT_FIND,
.cap_large_files = CAP_LARGE_FILES,
+ .oplock_read = OPLOCK_READ,
};
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index d79de7bc4435..c9c7aa7ed966 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -708,6 +708,7 @@ struct smb_version_values smb20_values = {
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
+ .oplock_read = SMB2_OPLOCK_LEVEL_II,
};
struct smb_version_values smb21_values = {
@@ -725,6 +726,7 @@ struct smb_version_values smb21_values = {
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
+ .oplock_read = SMB2_OPLOCK_LEVEL_II,
};
struct smb_version_values smb30_values = {
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 76d974c952fe..1a528680ec5a 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -144,9 +144,6 @@ smb_send_kvec(struct TCP_Server_Info *server, struct kvec *iov, size_t n_vec,
*sent = 0;
- if (ssocket == NULL)
- return -ENOTSOCK; /* BB eventually add reconnect code here */
-
smb_msg.msg_name = (struct sockaddr *) &server->dstaddr;
smb_msg.msg_namelen = sizeof(struct sockaddr);
smb_msg.msg_control = NULL;
@@ -291,6 +288,9 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
struct socket *ssocket = server->ssocket;
int val = 1;
+ if (ssocket == NULL)
+ return -ENOTSOCK;
+
cFYI(1, "Sending smb: smb_len=%u", smb_buf_length);
dump_smb(iov[0].iov_base, iov[0].iov_len);
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 153bb1e42e63..a5f12b7e228d 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -176,7 +176,7 @@ static int debugfs_parse_options(char *data, struct debugfs_mount_opts *opts)
opts->uid = uid;
break;
case Opt_gid:
- if (match_octal(&args[0], &option))
+ if (match_int(&args[0], &option))
return -EINVAL;
gid = make_kgid(current_user_ns(), option);
if (!gid_valid(gid))
diff --git a/fs/exec.c b/fs/exec.c
index 18c45cac368f..20df02c1cc70 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -434,8 +434,9 @@ static int count(struct user_arg_ptr argv, int max)
if (IS_ERR(p))
return -EFAULT;
- if (i++ >= max)
+ if (i >= max)
return -E2BIG;
+ ++i;
if (fatal_signal_pending(current))
return -ERESTARTNOHAND;
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 0a475c881852..987358740cb9 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -41,6 +41,7 @@ config EXT4_USE_FOR_EXT23
config EXT4_FS_POSIX_ACL
bool "Ext4 POSIX Access Control Lists"
+ depends on EXT4_FS
select FS_POSIX_ACL
help
POSIX Access Control Lists (ACLs) support permissions for users and
@@ -53,6 +54,7 @@ config EXT4_FS_POSIX_ACL
config EXT4_FS_SECURITY
bool "Ext4 Security Labels"
+ depends on EXT4_FS
help
Security labels support alternative access control models
implemented by security modules like SELinux. This option
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 8990165346ee..f9ed946a448e 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -722,7 +722,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
ext4_warning(dir->i_sb, "Node failed checksum");
brelse(bh);
*err = ERR_BAD_DX_DIR;
- goto fail;
+ goto fail2;
}
set_buffer_verified(bh);
@@ -2368,7 +2368,6 @@ static int ext4_init_new_dir(handle_t *handle, struct inode *dir,
}
inode->i_size = EXT4_I(inode)->i_disksize = blocksize;
- dir_block = ext4_bread(handle, inode, 0, 1, &err);
if (!(dir_block = ext4_bread(handle, inode, 0, 1, &err))) {
if (!err) {
err = -EIO;
diff --git a/fs/file.c b/fs/file.c
index 15cb8618e95d..2b3570b7caeb 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -490,7 +490,7 @@ void exit_files(struct task_struct *tsk)
}
}
-static void __devinit fdtable_defer_list_init(int cpu)
+static void fdtable_defer_list_init(int cpu)
{
struct fdtable_defer *fddef = &per_cpu(fdtable_defer_list, cpu);
spin_lock_init(&fddef->lock);
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index a2862339323b..81cc7eaff863 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -446,7 +446,8 @@ int __log_start_commit(journal_t *journal, tid_t target)
* currently running transaction (if it exists). Otherwise,
* the target tid must be an old one.
*/
- if (journal->j_running_transaction &&
+ if (journal->j_commit_request != target &&
+ journal->j_running_transaction &&
journal->j_running_transaction->t_tid == target) {
/*
* We want a new commit: OK, mark the request and wakeup the
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index c89b26bc9759..264d1aa935f2 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -206,7 +206,7 @@ static u32 initiate_bulk_draining(struct nfs_client *clp,
list_for_each_entry(lo, &server->layouts, plh_layouts) {
ino = igrab(lo->plh_inode);
- if (ino)
+ if (!ino)
continue;
spin_lock(&ino->i_lock);
/* Is this layout in the process of being freed? */
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 32e6c53520e2..1b2d7eb93796 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2153,12 +2153,16 @@ static int nfs_open_permission_mask(int openflags)
{
int mask = 0;
- if ((openflags & O_ACCMODE) != O_WRONLY)
- mask |= MAY_READ;
- if ((openflags & O_ACCMODE) != O_RDONLY)
- mask |= MAY_WRITE;
- if (openflags & __FMODE_EXEC)
- mask |= MAY_EXEC;
+ if (openflags & __FMODE_EXEC) {
+ /* ONLY check exec rights */
+ mask = MAY_EXEC;
+ } else {
+ if ((openflags & O_ACCMODE) != O_WRONLY)
+ mask |= MAY_READ;
+ if ((openflags & O_ACCMODE) != O_RDONLY)
+ mask |= MAY_WRITE;
+ }
+
return mask;
}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 5d864fb36578..cf747ef86650 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1626,7 +1626,8 @@ static int _nfs4_recover_proc_open(struct nfs4_opendata *data)
static int nfs4_opendata_access(struct rpc_cred *cred,
struct nfs4_opendata *opendata,
- struct nfs4_state *state, fmode_t fmode)
+ struct nfs4_state *state, fmode_t fmode,
+ int openflags)
{
struct nfs_access_entry cache;
u32 mask;
@@ -1638,11 +1639,14 @@ static int nfs4_opendata_access(struct rpc_cred *cred,
mask = 0;
/* don't check MAY_WRITE - a newly created file may not have
- * write mode bits, but POSIX allows the creating process to write */
- if (fmode & FMODE_READ)
- mask |= MAY_READ;
- if (fmode & FMODE_EXEC)
- mask |= MAY_EXEC;
+ * write mode bits, but POSIX allows the creating process to write.
+ * use openflags to check for exec, because fmode won't
+ * always have FMODE_EXEC set when file open for exec. */
+ if (openflags & __FMODE_EXEC) {
+ /* ONLY check for exec rights */
+ mask = MAY_EXEC;
+ } else if (fmode & FMODE_READ)
+ mask = MAY_READ;
cache.cred = cred;
cache.jiffies = jiffies;
@@ -1896,7 +1900,7 @@ static int _nfs4_do_open(struct inode *dir,
if (server->caps & NFS_CAP_POSIX_LOCK)
set_bit(NFS_STATE_POSIX_LOCKS, &state->flags);
- status = nfs4_opendata_access(cred, opendata, state, fmode);
+ status = nfs4_opendata_access(cred, opendata, state, fmode, flags);
if (status != 0)
goto err_opendata_put;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index e7165d915362..d00260b08103 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -254,7 +254,7 @@ static void
pnfs_layout_set_fail_bit(struct pnfs_layout_hdr *lo, int fail_bit)
{
lo->plh_retry_timestamp = jiffies;
- if (test_and_set_bit(fail_bit, &lo->plh_flags))
+ if (!test_and_set_bit(fail_bit, &lo->plh_flags))
atomic_inc(&lo->plh_refcount);
}
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index b6bdb18e892c..a5e5d9899d56 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -91,12 +91,16 @@ void nfs_readdata_release(struct nfs_read_data *rdata)
put_nfs_open_context(rdata->args.context);
if (rdata->pages.pagevec != rdata->pages.page_array)
kfree(rdata->pages.pagevec);
- if (rdata != &read_header->rpc_data)
- kfree(rdata);
- else
+ if (rdata == &read_header->rpc_data) {
rdata->header = NULL;
+ rdata = NULL;
+ }
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
+ /* Note: we only free the rpc_task after callbacks are done.
+ * See the comment in rpc_free_task() for why
+ */
+ kfree(rdata);
}
EXPORT_SYMBOL_GPL(nfs_readdata_release);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index c25cadf8f8c4..2e7e8c878e5d 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1152,7 +1152,7 @@ static int nfs_get_option_str(substring_t args[], char **option)
{
kfree(*option);
*option = match_strdup(args);
- return !option;
+ return !*option;
}
static int nfs_get_option_ul(substring_t args[], unsigned long *option)
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index b673be31590e..c483cc50b82e 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -126,12 +126,16 @@ void nfs_writedata_release(struct nfs_write_data *wdata)
put_nfs_open_context(wdata->args.context);
if (wdata->pages.pagevec != wdata->pages.page_array)
kfree(wdata->pages.pagevec);
- if (wdata != &write_header->rpc_data)
- kfree(wdata);
- else
+ if (wdata == &write_header->rpc_data) {
wdata->header = NULL;
+ wdata = NULL;
+ }
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
+ /* Note: we only free the rpc_task after callbacks are done.
+ * See the comment in rpc_free_task() for why
+ */
+ kfree(wdata);
}
EXPORT_SYMBOL_GPL(nfs_writedata_release);
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index f883e7e74305..7003e5266f25 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -291,9 +291,8 @@ static void ramoops_free_przs(struct ramoops_context *cxt)
kfree(cxt->przs);
}
-static int __devinit ramoops_init_przs(struct device *dev,
- struct ramoops_context *cxt,
- phys_addr_t *paddr, size_t dump_mem_sz)
+static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt,
+ phys_addr_t *paddr, size_t dump_mem_sz)
{
int err = -ENOMEM;
int i;
@@ -336,10 +335,9 @@ fail_prz:
return err;
}
-static int __devinit ramoops_init_prz(struct device *dev,
- struct ramoops_context *cxt,
- struct persistent_ram_zone **prz,
- phys_addr_t *paddr, size_t sz, u32 sig)
+static int ramoops_init_prz(struct device *dev, struct ramoops_context *cxt,
+ struct persistent_ram_zone **prz,
+ phys_addr_t *paddr, size_t sz, u32 sig)
{
if (!sz)
return 0;
@@ -367,7 +365,7 @@ static int __devinit ramoops_init_prz(struct device *dev,
return 0;
}
-static int __devinit ramoops_probe(struct platform_device *pdev)
+static int ramoops_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ramoops_platform_data *pdata = pdev->dev.platform_data;
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index eecd2a8a84dd..0306303be372 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -390,8 +390,8 @@ static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size,
return 0;
}
-static int __devinit persistent_ram_post_init(struct persistent_ram_zone *prz,
- u32 sig, int ecc_size)
+static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig,
+ int ecc_size)
{
int ret;
@@ -443,9 +443,8 @@ void persistent_ram_free(struct persistent_ram_zone *prz)
kfree(prz);
}
-struct persistent_ram_zone * __devinit persistent_ram_new(phys_addr_t start,
- size_t size, u32 sig,
- int ecc_size)
+struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
+ u32 sig, int ecc_size)
{
struct persistent_ram_zone *prz;
int ret = -ENOMEM;
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 9d863fb501f9..f2bc3dfd0b88 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -296,7 +296,7 @@ EXPORT_SYMBOL(seq_read);
* seq_lseek - ->llseek() method for sequential files.
* @file: the file in question
* @offset: new position
- * @origin: 0 for absolute, 1 for relative position
+ * @whence: 0 for absolute, 1 for relative position
*
* Ready-made ->f_op->llseek()
*/
diff --git a/fs/splice.c b/fs/splice.c
index 8890604e3fcd..6909d89d0da5 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -696,8 +696,10 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe,
return -EINVAL;
more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0;
- if (sd->len < sd->total_len)
+
+ if (sd->len < sd->total_len && pipe->nrbufs > 1)
more |= MSG_SENDPAGE_NOTLAST;
+
return file->f_op->sendpage(file, buf->page, buf->offset,
sd->len, &pos, more);
}
diff --git a/fs/udf/super.c b/fs/udf/super.c
index d44fb568abe1..e9be396a558d 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -307,7 +307,8 @@ static void udf_sb_free_partitions(struct super_block *sb)
{
struct udf_sb_info *sbi = UDF_SB(sb);
int i;
-
+ if (sbi->s_partmaps == NULL)
+ return;
for (i = 0; i < sbi->s_partitions; i++)
udf_free_partition(&sbi->s_partmaps[i]);
kfree(sbi->s_partmaps);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 26673a0b20e7..56d1614760cf 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -175,7 +175,7 @@ xfs_buf_get_maps(
bp->b_map_count = map_count;
if (map_count == 1) {
- bp->b_maps = &bp->b_map;
+ bp->b_maps = &bp->__b_map;
return 0;
}
@@ -193,7 +193,7 @@ static void
xfs_buf_free_maps(
struct xfs_buf *bp)
{
- if (bp->b_maps != &bp->b_map) {
+ if (bp->b_maps != &bp->__b_map) {
kmem_free(bp->b_maps);
bp->b_maps = NULL;
}
@@ -377,8 +377,8 @@ xfs_buf_allocate_memory(
}
use_alloc_page:
- start = BBTOB(bp->b_map.bm_bn) >> PAGE_SHIFT;
- end = (BBTOB(bp->b_map.bm_bn + bp->b_length) + PAGE_SIZE - 1)
+ start = BBTOB(bp->b_maps[0].bm_bn) >> PAGE_SHIFT;
+ end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1)
>> PAGE_SHIFT;
page_count = end - start;
error = _xfs_buf_get_pages(bp, page_count, flags);
@@ -640,7 +640,7 @@ _xfs_buf_read(
xfs_buf_flags_t flags)
{
ASSERT(!(flags & XBF_WRITE));
- ASSERT(bp->b_map.bm_bn != XFS_BUF_DADDR_NULL);
+ ASSERT(bp->b_maps[0].bm_bn != XFS_BUF_DADDR_NULL);
bp->b_flags &= ~(XBF_WRITE | XBF_ASYNC | XBF_READ_AHEAD);
bp->b_flags |= flags & (XBF_READ | XBF_ASYNC | XBF_READ_AHEAD);
@@ -1709,7 +1709,7 @@ xfs_buf_cmp(
struct xfs_buf *bp = container_of(b, struct xfs_buf, b_list);
xfs_daddr_t diff;
- diff = ap->b_map.bm_bn - bp->b_map.bm_bn;
+ diff = ap->b_maps[0].bm_bn - bp->b_maps[0].bm_bn;
if (diff < 0)
return -1;
if (diff > 0)
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 23f5642480bb..433a12ed7b17 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -151,7 +151,7 @@ typedef struct xfs_buf {
struct page **b_pages; /* array of page pointers */
struct page *b_page_array[XB_PAGES]; /* inline pages */
struct xfs_buf_map *b_maps; /* compound buffer map */
- struct xfs_buf_map b_map; /* inline compound buffer map */
+ struct xfs_buf_map __b_map; /* inline compound buffer map */
int b_map_count;
int b_io_length; /* IO size in BBs */
atomic_t b_pin_count; /* pin count */
@@ -330,8 +330,8 @@ void xfs_buf_stale(struct xfs_buf *bp);
* In future, uncached buffers will pass the block number directly to the io
* request function and hence these macros will go away at that point.
*/
-#define XFS_BUF_ADDR(bp) ((bp)->b_map.bm_bn)
-#define XFS_BUF_SET_ADDR(bp, bno) ((bp)->b_map.bm_bn = (xfs_daddr_t)(bno))
+#define XFS_BUF_ADDR(bp) ((bp)->b_maps[0].bm_bn)
+#define XFS_BUF_SET_ADDR(bp, bno) ((bp)->b_maps[0].bm_bn = (xfs_daddr_t)(bno))
static inline void xfs_buf_set_ref(struct xfs_buf *bp, int lru_ref)
{
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index becf4a97efc6..77b09750e92c 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -71,7 +71,7 @@ xfs_buf_item_log_debug(
chunk_num = byte >> XFS_BLF_SHIFT;
word_num = chunk_num >> BIT_TO_WORD_SHIFT;
bit_num = chunk_num & (NBWORD - 1);
- wordp = &(bip->bli_format.blf_data_map[word_num]);
+ wordp = &(bip->__bli_format.blf_data_map[word_num]);
bit_set = *wordp & (1 << bit_num);
ASSERT(bit_set);
byte++;
@@ -237,7 +237,7 @@ xfs_buf_item_size(
* cancel flag in it.
*/
trace_xfs_buf_item_size_stale(bip);
- ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+ ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
return bip->bli_format_count;
}
@@ -278,7 +278,7 @@ xfs_buf_item_format_segment(
uint buffer_offset;
/* copy the flags across from the base format item */
- blfp->blf_flags = bip->bli_format.blf_flags;
+ blfp->blf_flags = bip->__bli_format.blf_flags;
/*
* Base size is the actual size of the ondisk structure - it reflects
@@ -287,6 +287,17 @@ xfs_buf_item_format_segment(
*/
base_size = offsetof(struct xfs_buf_log_format, blf_data_map) +
(blfp->blf_map_size * sizeof(blfp->blf_data_map[0]));
+
+ nvecs = 0;
+ first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0);
+ if (!(bip->bli_flags & XFS_BLI_STALE) && first_bit == -1) {
+ /*
+ * If the map is not be dirty in the transaction, mark
+ * the size as zero and do not advance the vector pointer.
+ */
+ goto out;
+ }
+
vecp->i_addr = blfp;
vecp->i_len = base_size;
vecp->i_type = XLOG_REG_TYPE_BFORMAT;
@@ -301,15 +312,13 @@ xfs_buf_item_format_segment(
*/
trace_xfs_buf_item_format_stale(bip);
ASSERT(blfp->blf_flags & XFS_BLF_CANCEL);
- blfp->blf_size = nvecs;
- return vecp;
+ goto out;
}
/*
* Fill in an iovec for each set of contiguous chunks.
*/
- first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0);
- ASSERT(first_bit != -1);
+
last_bit = first_bit;
nbits = 1;
for (;;) {
@@ -371,7 +380,8 @@ xfs_buf_item_format_segment(
nbits++;
}
}
- bip->bli_format.blf_size = nvecs;
+out:
+ blfp->blf_size = nvecs;
return vecp;
}
@@ -405,7 +415,7 @@ xfs_buf_item_format(
if (bip->bli_flags & XFS_BLI_INODE_BUF) {
if (!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
xfs_log_item_in_current_chkpt(lip)))
- bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
+ bip->__bli_format.blf_flags |= XFS_BLF_INODE_BUF;
bip->bli_flags &= ~XFS_BLI_INODE_BUF;
}
@@ -485,7 +495,7 @@ xfs_buf_item_unpin(
ASSERT(bip->bli_flags & XFS_BLI_STALE);
ASSERT(xfs_buf_islocked(bp));
ASSERT(XFS_BUF_ISSTALE(bp));
- ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+ ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
trace_xfs_buf_item_unpin_stale(bip);
@@ -601,7 +611,7 @@ xfs_buf_item_unlock(
{
struct xfs_buf_log_item *bip = BUF_ITEM(lip);
struct xfs_buf *bp = bip->bli_buf;
- int aborted;
+ int aborted, clean, i;
uint hold;
/* Clear the buffer's association with this transaction. */
@@ -631,7 +641,7 @@ xfs_buf_item_unlock(
*/
if (bip->bli_flags & XFS_BLI_STALE) {
trace_xfs_buf_item_unlock_stale(bip);
- ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+ ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
if (!aborted) {
atomic_dec(&bip->bli_refcount);
return;
@@ -644,8 +654,15 @@ xfs_buf_item_unlock(
* If the buf item isn't tracking any data, free it, otherwise drop the
* reference we hold to it.
*/
- if (xfs_bitmap_empty(bip->bli_format.blf_data_map,
- bip->bli_format.blf_map_size))
+ clean = 1;
+ for (i = 0; i < bip->bli_format_count; i++) {
+ if (!xfs_bitmap_empty(bip->bli_formats[i].blf_data_map,
+ bip->bli_formats[i].blf_map_size)) {
+ clean = 0;
+ break;
+ }
+ }
+ if (clean)
xfs_buf_item_relse(bp);
else
atomic_dec(&bip->bli_refcount);
@@ -716,7 +733,7 @@ xfs_buf_item_get_format(
bip->bli_format_count = count;
if (count == 1) {
- bip->bli_formats = &bip->bli_format;
+ bip->bli_formats = &bip->__bli_format;
return 0;
}
@@ -731,7 +748,7 @@ STATIC void
xfs_buf_item_free_format(
struct xfs_buf_log_item *bip)
{
- if (bip->bli_formats != &bip->bli_format) {
+ if (bip->bli_formats != &bip->__bli_format) {
kmem_free(bip->bli_formats);
bip->bli_formats = NULL;
}
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 6850f49f4af3..16def435944a 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -104,7 +104,7 @@ typedef struct xfs_buf_log_item {
#endif
int bli_format_count; /* count of headers */
struct xfs_buf_log_format *bli_formats; /* array of in-log header ptrs */
- struct xfs_buf_log_format bli_format; /* embedded in-log header */
+ struct xfs_buf_log_format __bli_format; /* embedded in-log header */
} xfs_buf_log_item_t;
void xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *);
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index 7536faaa61e7..12afe07a91d7 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -355,10 +355,12 @@ xfs_dir2_block_addname(
/*
* If need to compact the leaf entries, do it now.
*/
- if (compact)
+ if (compact) {
xfs_dir2_block_compact(tp, bp, hdr, btp, blp, &needlog,
&lfloghigh, &lfloglow);
- else if (btp->stale) {
+ /* recalculate blp post-compaction */
+ blp = xfs_dir2_block_leaf_p(btp);
+ } else if (btp->stale) {
/*
* Set leaf logging boundaries to impossible state.
* For the no-stale case they're set explicitly.
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 5f53e75409b8..8a59f8546552 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -784,11 +784,11 @@ xfs_qm_scall_getquota(
(XFS_IS_OQUOTA_ENFORCED(mp) &&
(dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) &&
dst->d_id != 0) {
- if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) &&
+ if ((dst->d_bcount > dst->d_blk_softlimit) &&
(dst->d_blk_softlimit > 0)) {
ASSERT(dst->d_btimer != 0);
}
- if (((int) dst->d_icount > (int) dst->d_ino_softlimit) &&
+ if ((dst->d_icount > dst->d_ino_softlimit) &&
(dst->d_ino_softlimit > 0)) {
ASSERT(dst->d_itimer != 0);
}
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 4fc17d479d42..3edf5dbee001 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -93,7 +93,7 @@ _xfs_trans_bjoin(
xfs_buf_item_init(bp, tp->t_mountp);
bip = bp->b_fspriv;
ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
- ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+ ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
if (reset_recur)
bip->bli_recur = 0;
@@ -432,7 +432,7 @@ xfs_trans_brelse(xfs_trans_t *tp,
bip = bp->b_fspriv;
ASSERT(bip->bli_item.li_type == XFS_LI_BUF);
ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
- ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+ ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
ASSERT(atomic_read(&bip->bli_refcount) > 0);
trace_xfs_trans_brelse(bip);
@@ -519,7 +519,7 @@ xfs_trans_bhold(xfs_trans_t *tp,
ASSERT(bp->b_transp == tp);
ASSERT(bip != NULL);
ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
- ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+ ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
ASSERT(atomic_read(&bip->bli_refcount) > 0);
bip->bli_flags |= XFS_BLI_HOLD;
@@ -539,7 +539,7 @@ xfs_trans_bhold_release(xfs_trans_t *tp,
ASSERT(bp->b_transp == tp);
ASSERT(bip != NULL);
ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
- ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+ ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
ASSERT(atomic_read(&bip->bli_refcount) > 0);
ASSERT(bip->bli_flags & XFS_BLI_HOLD);
@@ -598,7 +598,7 @@ xfs_trans_log_buf(xfs_trans_t *tp,
bip->bli_flags &= ~XFS_BLI_STALE;
ASSERT(XFS_BUF_ISSTALE(bp));
XFS_BUF_UNSTALE(bp);
- bip->bli_format.blf_flags &= ~XFS_BLF_CANCEL;
+ bip->__bli_format.blf_flags &= ~XFS_BLF_CANCEL;
}
tp->t_flags |= XFS_TRANS_DIRTY;
@@ -643,6 +643,7 @@ xfs_trans_binval(
xfs_buf_t *bp)
{
xfs_buf_log_item_t *bip = bp->b_fspriv;
+ int i;
ASSERT(bp->b_transp == tp);
ASSERT(bip != NULL);
@@ -657,8 +658,8 @@ xfs_trans_binval(
*/
ASSERT(XFS_BUF_ISSTALE(bp));
ASSERT(!(bip->bli_flags & (XFS_BLI_LOGGED | XFS_BLI_DIRTY)));
- ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_INODE_BUF));
- ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+ ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_INODE_BUF));
+ ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
ASSERT(bip->bli_item.li_desc->lid_flags & XFS_LID_DIRTY);
ASSERT(tp->t_flags & XFS_TRANS_DIRTY);
return;
@@ -668,10 +669,12 @@ xfs_trans_binval(
bip->bli_flags |= XFS_BLI_STALE;
bip->bli_flags &= ~(XFS_BLI_INODE_BUF | XFS_BLI_LOGGED | XFS_BLI_DIRTY);
- bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
- bip->bli_format.blf_flags |= XFS_BLF_CANCEL;
- memset((char *)(bip->bli_format.blf_data_map), 0,
- (bip->bli_format.blf_map_size * sizeof(uint)));
+ bip->__bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
+ bip->__bli_format.blf_flags |= XFS_BLF_CANCEL;
+ for (i = 0; i < bip->bli_format_count; i++) {
+ memset(bip->bli_formats[i].blf_data_map, 0,
+ (bip->bli_formats[i].blf_map_size * sizeof(uint)));
+ }
bip->bli_item.li_desc->lid_flags |= XFS_LID_DIRTY;
tp->t_flags |= XFS_TRANS_DIRTY;
}
@@ -775,5 +778,5 @@ xfs_trans_dquot_buf(
type == XFS_BLF_GDQUOT_BUF);
ASSERT(atomic_read(&bip->bli_refcount) > 0);
- bip->bli_format.blf_flags |= type;
+ bip->__bli_format.blf_flags |= type;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 17:40:40 +0300