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-rw-r--r--fs/ocfs2/acl.c4
-rw-r--r--fs/ocfs2/acl.h2
-rw-r--r--fs/ocfs2/aops.c10
-rw-r--r--fs/ocfs2/file.c41
-rw-r--r--fs/ocfs2/file.h2
-rw-r--r--fs/ocfs2/namei.c1
-rw-r--r--fs/ocfs2/refcounttree.c49
7 files changed, 45 insertions, 64 deletions
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index e913ad130fdd..1cee970eb55a 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -290,14 +290,14 @@ static int ocfs2_set_acl(handle_t *handle,
return ret;
}
-int ocfs2_check_acl(struct inode *inode, int mask, unsigned int flags)
+int ocfs2_check_acl(struct inode *inode, int mask)
{
struct ocfs2_super *osb;
struct buffer_head *di_bh = NULL;
struct posix_acl *acl;
int ret = -EAGAIN;
- if (flags & IPERM_FLAG_RCU)
+ if (mask & MAY_NOT_BLOCK)
return -ECHILD;
osb = OCFS2_SB(inode->i_sb);
diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h
index 4fe7c9cf4bfb..5c5d31f05853 100644
--- a/fs/ocfs2/acl.h
+++ b/fs/ocfs2/acl.h
@@ -26,7 +26,7 @@ struct ocfs2_acl_entry {
__le32 e_id;
};
-extern int ocfs2_check_acl(struct inode *, int, unsigned int);
+extern int ocfs2_check_acl(struct inode *, int);
extern int ocfs2_acl_chmod(struct inode *);
extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
struct buffer_head *, struct buffer_head *,
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index ac97bca282d2..c1efe939c774 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -551,9 +551,8 @@ bail:
/*
* ocfs2_dio_end_io is called by the dio core when a dio is finished. We're
- * particularly interested in the aio/dio case. Like the core uses
- * i_alloc_sem, we use the rw_lock DLM lock to protect io on one node from
- * truncation on another.
+ * particularly interested in the aio/dio case. We use the rw_lock DLM lock
+ * to protect io on one node from truncation on another.
*/
static void ocfs2_dio_end_io(struct kiocb *iocb,
loff_t offset,
@@ -568,10 +567,8 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
/* this io's submitter should not have unlocked this before we could */
BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
- if (ocfs2_iocb_is_sem_locked(iocb)) {
- up_read(&inode->i_alloc_sem);
+ if (ocfs2_iocb_is_sem_locked(iocb))
ocfs2_iocb_clear_sem_locked(iocb);
- }
ocfs2_iocb_clear_rw_locked(iocb);
@@ -580,6 +577,7 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
if (is_async)
aio_complete(iocb, ret, 0);
+ inode_dio_done(inode);
}
/*
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index b1e35a392ca5..0fc2bd34039d 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -171,7 +171,8 @@ static int ocfs2_dir_release(struct inode *inode, struct file *file)
return 0;
}
-static int ocfs2_sync_file(struct file *file, int datasync)
+static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
+ int datasync)
{
int err = 0;
journal_t *journal;
@@ -184,6 +185,16 @@ static int ocfs2_sync_file(struct file *file, int datasync)
file->f_path.dentry->d_name.name,
(unsigned long long)datasync);
+ err = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (err)
+ return err;
+
+ /*
+ * Probably don't need the i_mutex at all in here, just putting it here
+ * to be consistent with how fsync used to be called, someone more
+ * familiar with the fs could possibly remove it.
+ */
+ mutex_lock(&inode->i_mutex);
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) {
/*
* We still have to flush drive's caches to get data to the
@@ -200,6 +211,7 @@ static int ocfs2_sync_file(struct file *file, int datasync)
bail:
if (err)
mlog_errno(err);
+ mutex_unlock(&inode->i_mutex);
return (err < 0) ? -EIO : 0;
}
@@ -1142,6 +1154,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
if (status)
goto bail_unlock;
+ inode_dio_wait(inode);
+
if (i_size_read(inode) > attr->ia_size) {
if (ocfs2_should_order_data(inode)) {
status = ocfs2_begin_ordered_truncate(inode,
@@ -1279,11 +1293,11 @@ bail:
return err;
}
-int ocfs2_permission(struct inode *inode, int mask, unsigned int flags)
+int ocfs2_permission(struct inode *inode, int mask)
{
int ret;
- if (flags & IPERM_FLAG_RCU)
+ if (mask & MAY_NOT_BLOCK)
return -ECHILD;
ret = ocfs2_inode_lock(inode, NULL, 0);
@@ -1293,7 +1307,7 @@ int ocfs2_permission(struct inode *inode, int mask, unsigned int flags)
goto out;
}
- ret = generic_permission(inode, mask, flags, ocfs2_check_acl);
+ ret = generic_permission(inode, mask);
ocfs2_inode_unlock(inode, 0);
out:
@@ -2236,9 +2250,8 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
ocfs2_iocb_clear_sem_locked(iocb);
relock:
- /* to match setattr's i_mutex -> i_alloc_sem -> rw_lock ordering */
+ /* to match setattr's i_mutex -> rw_lock ordering */
if (direct_io) {
- down_read(&inode->i_alloc_sem);
have_alloc_sem = 1;
/* communicate with ocfs2_dio_end_io */
ocfs2_iocb_set_sem_locked(iocb);
@@ -2290,7 +2303,6 @@ relock:
*/
if (direct_io && !can_do_direct) {
ocfs2_rw_unlock(inode, rw_level);
- up_read(&inode->i_alloc_sem);
have_alloc_sem = 0;
rw_level = -1;
@@ -2361,8 +2373,7 @@ out_dio:
/*
* deep in g_f_a_w_n()->ocfs2_direct_IO we pass in a ocfs2_dio_end_io
* function pointer which is called when o_direct io completes so that
- * it can unlock our rw lock. (it's the clustered equivalent of
- * i_alloc_sem; protects truncate from racing with pending ios).
+ * it can unlock our rw lock.
* Unfortunately there are error cases which call end_io and others
* that don't. so we don't have to unlock the rw_lock if either an
* async dio is going to do it in the future or an end_io after an
@@ -2378,10 +2389,8 @@ out:
ocfs2_rw_unlock(inode, rw_level);
out_sems:
- if (have_alloc_sem) {
- up_read(&inode->i_alloc_sem);
+ if (have_alloc_sem)
ocfs2_iocb_clear_sem_locked(iocb);
- }
mutex_unlock(&inode->i_mutex);
@@ -2531,7 +2540,6 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
* need locks to protect pending reads from racing with truncate.
*/
if (filp->f_flags & O_DIRECT) {
- down_read(&inode->i_alloc_sem);
have_alloc_sem = 1;
ocfs2_iocb_set_sem_locked(iocb);
@@ -2574,10 +2582,9 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
}
bail:
- if (have_alloc_sem) {
- up_read(&inode->i_alloc_sem);
+ if (have_alloc_sem)
ocfs2_iocb_clear_sem_locked(iocb);
- }
+
if (rw_level != -1)
ocfs2_rw_unlock(inode, rw_level);
@@ -2593,12 +2600,14 @@ const struct inode_operations ocfs2_file_iops = {
.listxattr = ocfs2_listxattr,
.removexattr = generic_removexattr,
.fiemap = ocfs2_fiemap,
+ .check_acl = ocfs2_check_acl,
};
const struct inode_operations ocfs2_special_file_iops = {
.setattr = ocfs2_setattr,
.getattr = ocfs2_getattr,
.permission = ocfs2_permission,
+ .check_acl = ocfs2_check_acl,
};
/*
diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h
index f5afbbef6703..97bf761c9e7c 100644
--- a/fs/ocfs2/file.h
+++ b/fs/ocfs2/file.h
@@ -61,7 +61,7 @@ int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat);
-int ocfs2_permission(struct inode *inode, int mask, unsigned int flags);
+int ocfs2_permission(struct inode *inode, int mask);
int ocfs2_should_update_atime(struct inode *inode,
struct vfsmount *vfsmnt);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index e5d738cd9cc0..33889dc52dd7 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -2498,4 +2498,5 @@ const struct inode_operations ocfs2_dir_iops = {
.listxattr = ocfs2_listxattr,
.removexattr = generic_removexattr,
.fiemap = ocfs2_fiemap,
+ .check_acl = ocfs2_check_acl,
};
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index ebfd3825f12a..cf7823382664 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -4368,25 +4368,6 @@ static inline int ocfs2_may_create(struct inode *dir, struct dentry *child)
return inode_permission(dir, MAY_WRITE | MAY_EXEC);
}
-/* copied from user_path_parent. */
-static int ocfs2_user_path_parent(const char __user *path,
- struct nameidata *nd, char **name)
-{
- char *s = getname(path);
- int error;
-
- if (IS_ERR(s))
- return PTR_ERR(s);
-
- error = kern_path_parent(s, nd);
- if (error)
- putname(s);
- else
- *name = s;
-
- return error;
-}
-
/**
* ocfs2_vfs_reflink - Create a reference-counted link
*
@@ -4460,10 +4441,8 @@ int ocfs2_reflink_ioctl(struct inode *inode,
bool preserve)
{
struct dentry *new_dentry;
- struct nameidata nd;
- struct path old_path;
+ struct path old_path, new_path;
int error;
- char *to = NULL;
if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb)))
return -EOPNOTSUPP;
@@ -4474,39 +4453,33 @@ int ocfs2_reflink_ioctl(struct inode *inode,
return error;
}
- error = ocfs2_user_path_parent(newname, &nd, &to);
- if (error) {
+ new_dentry = user_path_create(AT_FDCWD, newname, &new_path, 0);
+ error = PTR_ERR(new_dentry);
+ if (IS_ERR(new_dentry)) {
mlog_errno(error);
goto out;
}
error = -EXDEV;
- if (old_path.mnt != nd.path.mnt)
- goto out_release;
- new_dentry = lookup_create(&nd, 0);
- error = PTR_ERR(new_dentry);
- if (IS_ERR(new_dentry)) {
+ if (old_path.mnt != new_path.mnt) {
mlog_errno(error);
- goto out_unlock;
+ goto out_dput;
}
- error = mnt_want_write(nd.path.mnt);
+ error = mnt_want_write(new_path.mnt);
if (error) {
mlog_errno(error);
goto out_dput;
}
error = ocfs2_vfs_reflink(old_path.dentry,
- nd.path.dentry->d_inode,
+ new_path.dentry->d_inode,
new_dentry, preserve);
- mnt_drop_write(nd.path.mnt);
+ mnt_drop_write(new_path.mnt);
out_dput:
dput(new_dentry);
-out_unlock:
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
-out_release:
- path_put(&nd.path);
- putname(to);
+ mutex_unlock(&new_path.dentry->d_inode->i_mutex);
+ path_put(&new_path);
out:
path_put(&old_path);