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-rw-r--r--fs/cifs/cifs_fs_sb.h1
-rw-r--r--fs/cifs/cifsfs.c8
-rw-r--r--fs/cifs/connect.c25
-rw-r--r--fs/cifs/ioctl.c3
-rw-r--r--fs/cifs/misc.c14
-rw-r--r--fs/cifs/smb1ops.c10
-rw-r--r--fs/cifs/smb2pdu.c1
-rw-r--r--fs/cifs/smb2transport.c30
-rw-r--r--fs/cifs/transport.c32
9 files changed, 59 insertions, 65 deletions
diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h
index 07ed81cf1552..cbd216b57239 100644
--- a/fs/cifs/cifs_fs_sb.h
+++ b/fs/cifs/cifs_fs_sb.h
@@ -68,7 +68,6 @@ struct cifs_sb_info {
umode_t mnt_dir_mode;
unsigned int mnt_cifs_flags;
char *mountdata; /* options received at mount time or via DFS refs */
- struct backing_dev_info bdi;
struct delayed_work prune_tlinks;
struct rcu_head rcu;
char *prepath;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index dd3f5fabfdf6..d0d11b73b2af 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -37,6 +37,7 @@
#include <linux/freezer.h>
#include <linux/namei.h>
#include <linux/random.h>
+#include <linux/uuid.h>
#include <linux/xattr.h>
#include <net/ipv6.h>
#include "cifsfs.h"
@@ -138,7 +139,12 @@ cifs_read_super(struct super_block *sb)
sb->s_magic = CIFS_MAGIC_NUMBER;
sb->s_op = &cifs_super_ops;
sb->s_xattr = cifs_xattr_handlers;
- sb->s_bdi = &cifs_sb->bdi;
+ rc = super_setup_bdi(sb);
+ if (rc)
+ goto out_no_root;
+ /* tune readahead according to rsize */
+ sb->s_bdi->ra_pages = cifs_sb->rsize / PAGE_SIZE;
+
sb->s_blocksize = CIFS_MAX_MSGSIZE;
sb->s_blocksize_bits = 14; /* default 2**14 = CIFS_MAX_MSGSIZE */
inode = cifs_root_iget(sb);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d82467cfb0e2..9bc0b4d6d065 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -35,6 +35,7 @@
#include <linux/pagevec.h>
#include <linux/freezer.h>
#include <linux/namei.h>
+#include <linux/uuid.h>
#include <linux/uaccess.h>
#include <asm/processor.h>
#include <linux/inet.h>
@@ -2912,16 +2913,14 @@ match_prepath(struct super_block *sb, struct cifs_mnt_data *mnt_data)
{
struct cifs_sb_info *old = CIFS_SB(sb);
struct cifs_sb_info *new = mnt_data->cifs_sb;
+ bool old_set = old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
+ bool new_set = new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
- if (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) {
- if (!(new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH))
- return 0;
- /* The prepath should be null terminated strings */
- if (strcmp(new->prepath, old->prepath))
- return 0;
-
+ if (old_set && new_set && !strcmp(new->prepath, old->prepath))
return 1;
- }
+ else if (!old_set && !new_set)
+ return 1;
+
return 0;
}
@@ -3692,10 +3691,6 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
int referral_walks_count = 0;
#endif
- rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs");
- if (rc)
- return rc;
-
#ifdef CONFIG_CIFS_DFS_UPCALL
try_mount_again:
/* cleanup activities if we're chasing a referral */
@@ -3723,7 +3718,6 @@ try_mount_again:
server = cifs_get_tcp_session(volume_info);
if (IS_ERR(server)) {
rc = PTR_ERR(server);
- bdi_destroy(&cifs_sb->bdi);
goto out;
}
if ((volume_info->max_credits < 20) ||
@@ -3780,9 +3774,6 @@ try_mount_again:
cifs_sb->wsize = server->ops->negotiate_wsize(tcon, volume_info);
cifs_sb->rsize = server->ops->negotiate_rsize(tcon, volume_info);
- /* tune readahead according to rsize */
- cifs_sb->bdi.ra_pages = cifs_sb->rsize / PAGE_SIZE;
-
remote_path_check:
#ifdef CONFIG_CIFS_DFS_UPCALL
/*
@@ -3899,7 +3890,6 @@ mount_fail_check:
cifs_put_smb_ses(ses);
else
cifs_put_tcp_session(server, 0);
- bdi_destroy(&cifs_sb->bdi);
}
out:
@@ -4102,7 +4092,6 @@ cifs_umount(struct cifs_sb_info *cifs_sb)
}
spin_unlock(&cifs_sb->tlink_tree_lock);
- bdi_destroy(&cifs_sb->bdi);
kfree(cifs_sb->mountdata);
kfree(cifs_sb->prepath);
call_rcu(&cifs_sb->rcu, delayed_free);
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 265c45fe4ea5..7f4bba574930 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -74,7 +74,8 @@ static long cifs_ioctl_copychunk(unsigned int xid, struct file *dst_file,
rc = cifs_file_copychunk_range(xid, src_file.file, 0, dst_file, 0,
src_inode->i_size, 0);
-
+ if (rc > 0)
+ rc = 0;
out_fput:
fdput(src_file);
out_drop_write:
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index d3fb11529ed9..843787850435 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -167,13 +167,11 @@ cifs_buf_get(void)
/* clear the first few header bytes */
/* for most paths, more is cleared in header_assemble */
- if (ret_buf) {
- memset(ret_buf, 0, buf_size + 3);
- atomic_inc(&bufAllocCount);
+ memset(ret_buf, 0, buf_size + 3);
+ atomic_inc(&bufAllocCount);
#ifdef CONFIG_CIFS_STATS2
- atomic_inc(&totBufAllocCount);
+ atomic_inc(&totBufAllocCount);
#endif /* CONFIG_CIFS_STATS2 */
- }
return ret_buf;
}
@@ -201,15 +199,13 @@ cifs_small_buf_get(void)
albeit slightly larger than necessary and maxbuffersize
defaults to this and can not be bigger */
ret_buf = mempool_alloc(cifs_sm_req_poolp, GFP_NOFS);
- if (ret_buf) {
/* No need to clear memory here, cleared in header assemble */
/* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
- atomic_inc(&smBufAllocCount);
+ atomic_inc(&smBufAllocCount);
#ifdef CONFIG_CIFS_STATS2
- atomic_inc(&totSmBufAllocCount);
+ atomic_inc(&totSmBufAllocCount);
#endif /* CONFIG_CIFS_STATS2 */
- }
return ret_buf;
}
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index cc93ba4da9b5..27bc360c7ffd 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -1015,6 +1015,15 @@ cifs_dir_needs_close(struct cifsFileInfo *cfile)
return !cfile->srch_inf.endOfSearch && !cfile->invalidHandle;
}
+static bool
+cifs_can_echo(struct TCP_Server_Info *server)
+{
+ if (server->tcpStatus == CifsGood)
+ return true;
+
+ return false;
+}
+
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
@@ -1049,6 +1058,7 @@ struct smb_version_operations smb1_operations = {
.get_dfs_refer = CIFSGetDFSRefer,
.qfs_tcon = cifs_qfs_tcon,
.is_path_accessible = cifs_is_path_accessible,
+ .can_echo = cifs_can_echo,
.query_path_info = cifs_query_path_info,
.query_file_info = cifs_query_file_info,
.get_srv_inum = cifs_get_srv_inum,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 02da648041fc..fb0da096c2ce 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -33,6 +33,7 @@
#include <linux/vfs.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/uaccess.h>
+#include <linux/uuid.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include "smb2pdu.h"
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index 506b67fc93d9..c69ec96e92ac 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -538,23 +538,19 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
}
temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
- if (temp == NULL)
- return temp;
- else {
- memset(temp, 0, sizeof(struct mid_q_entry));
- temp->mid = le64_to_cpu(shdr->MessageId);
- temp->pid = current->pid;
- temp->command = shdr->Command; /* Always LE */
- temp->when_alloc = jiffies;
- temp->server = server;
-
- /*
- * The default is for the mid to be synchronous, so the
- * default callback just wakes up the current task.
- */
- temp->callback = cifs_wake_up_task;
- temp->callback_data = current;
- }
+ memset(temp, 0, sizeof(struct mid_q_entry));
+ temp->mid = le64_to_cpu(shdr->MessageId);
+ temp->pid = current->pid;
+ temp->command = shdr->Command; /* Always LE */
+ temp->when_alloc = jiffies;
+ temp->server = server;
+
+ /*
+ * The default is for the mid to be synchronous, so the
+ * default callback just wakes up the current task.
+ */
+ temp->callback = cifs_wake_up_task;
+ temp->callback_data = current;
atomic_inc(&midCount);
temp->mid_state = MID_REQUEST_ALLOCATED;
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index f6e13a977fc8..4d64b5b8fc9c 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -55,26 +55,22 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server)
}
temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
- if (temp == NULL)
- return temp;
- else {
- memset(temp, 0, sizeof(struct mid_q_entry));
- temp->mid = get_mid(smb_buffer);
- temp->pid = current->pid;
- temp->command = cpu_to_le16(smb_buffer->Command);
- cifs_dbg(FYI, "For smb_command %d\n", smb_buffer->Command);
+ memset(temp, 0, sizeof(struct mid_q_entry));
+ temp->mid = get_mid(smb_buffer);
+ temp->pid = current->pid;
+ temp->command = cpu_to_le16(smb_buffer->Command);
+ cifs_dbg(FYI, "For smb_command %d\n", smb_buffer->Command);
/* do_gettimeofday(&temp->when_sent);*/ /* easier to use jiffies */
- /* when mid allocated can be before when sent */
- temp->when_alloc = jiffies;
- temp->server = server;
+ /* when mid allocated can be before when sent */
+ temp->when_alloc = jiffies;
+ temp->server = server;
- /*
- * The default is for the mid to be synchronous, so the
- * default callback just wakes up the current task.
- */
- temp->callback = cifs_wake_up_task;
- temp->callback_data = current;
- }
+ /*
+ * The default is for the mid to be synchronous, so the
+ * default callback just wakes up the current task.
+ */
+ temp->callback = cifs_wake_up_task;
+ temp->callback_data = current;
atomic_inc(&midCount);
temp->mid_state = MID_REQUEST_ALLOCATED;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-29 23:01:35 +0300