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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-27 00:48:49 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-27 02:22:07 +0200
commit9ec3a646fe09970f801ab15e0f1694060b9f19af (patch)
tree697058ca7e1671eda180a3ccc62445686fbc1a31 /mm
parentMerge tag 'pm+acpi-4.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
parentRCU pathwalk breakage when running into a symlink overmounting something (diff)
downloadlinux-9ec3a646fe09970f801ab15e0f1694060b9f19af.tar.xz
linux-9ec3a646fe09970f801ab15e0f1694060b9f19af.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull fourth vfs update from Al Viro: "d_inode() annotations from David Howells (sat in for-next since before the beginning of merge window) + four assorted fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: RCU pathwalk breakage when running into a symlink overmounting something fix I_DIO_WAKEUP definition direct-io: only inc/dec inode->i_dio_count for file systems fs/9p: fix readdir() VFS: assorted d_backing_inode() annotations VFS: fs/inode.c helpers: d_inode() annotations VFS: fs/cachefiles: d_backing_inode() annotations VFS: fs library helpers: d_inode() annotations VFS: assorted weird filesystems: d_inode() annotations VFS: normal filesystems (and lustre): d_inode() annotations VFS: security/: d_inode() annotations VFS: security/: d_backing_inode() annotations VFS: net/: d_inode() annotations VFS: net/unix: d_backing_inode() annotations VFS: kernel/: d_inode() annotations VFS: audit: d_backing_inode() annotations VFS: Fix up some ->d_inode accesses in the chelsio driver VFS: Cachefiles should perform fs modifications on the top layer only VFS: AF_UNIX sockets should call mknod on the top layer only
Diffstat (limited to 'mm')
-rw-r--r--mm/shmem.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 1ea2400b5245..de981370fbc5 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -544,7 +544,7 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range);
static int shmem_setattr(struct dentry *dentry, struct iattr *attr)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
struct shmem_inode_info *info = SHMEM_I(inode);
int error;
@@ -2274,7 +2274,7 @@ static int shmem_create(struct inode *dir, struct dentry *dentry, umode_t mode,
*/
static int shmem_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
{
- struct inode *inode = old_dentry->d_inode;
+ struct inode *inode = d_inode(old_dentry);
int ret;
/*
@@ -2298,7 +2298,7 @@ out:
static int shmem_unlink(struct inode *dir, struct dentry *dentry)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
if (inode->i_nlink > 1 && !S_ISDIR(inode->i_mode))
shmem_free_inode(inode->i_sb);
@@ -2315,7 +2315,7 @@ static int shmem_rmdir(struct inode *dir, struct dentry *dentry)
if (!simple_empty(dentry))
return -ENOTEMPTY;
- drop_nlink(dentry->d_inode);
+ drop_nlink(d_inode(dentry));
drop_nlink(dir);
return shmem_unlink(dir, dentry);
}
@@ -2336,8 +2336,8 @@ static int shmem_exchange(struct inode *old_dir, struct dentry *old_dentry, stru
}
old_dir->i_ctime = old_dir->i_mtime =
new_dir->i_ctime = new_dir->i_mtime =
- old_dentry->d_inode->i_ctime =
- new_dentry->d_inode->i_ctime = CURRENT_TIME;
+ d_inode(old_dentry)->i_ctime =
+ d_inode(new_dentry)->i_ctime = CURRENT_TIME;
return 0;
}
@@ -2376,7 +2376,7 @@ static int shmem_whiteout(struct inode *old_dir, struct dentry *old_dentry)
*/
static int shmem_rename2(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags)
{
- struct inode *inode = old_dentry->d_inode;
+ struct inode *inode = d_inode(old_dentry);
int they_are_dirs = S_ISDIR(inode->i_mode);
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
@@ -2396,10 +2396,10 @@ static int shmem_rename2(struct inode *old_dir, struct dentry *old_dentry, struc
return error;
}
- if (new_dentry->d_inode) {
+ if (d_really_is_positive(new_dentry)) {
(void) shmem_unlink(new_dir, new_dentry);
if (they_are_dirs) {
- drop_nlink(new_dentry->d_inode);
+ drop_nlink(d_inode(new_dentry));
drop_nlink(old_dir);
}
} else if (they_are_dirs) {
@@ -2476,14 +2476,14 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
static void *shmem_follow_short_symlink(struct dentry *dentry, struct nameidata *nd)
{
- nd_set_link(nd, SHMEM_I(dentry->d_inode)->symlink);
+ nd_set_link(nd, SHMEM_I(d_inode(dentry))->symlink);
return NULL;
}
static void *shmem_follow_link(struct dentry *dentry, struct nameidata *nd)
{
struct page *page = NULL;
- int error = shmem_getpage(dentry->d_inode, 0, &page, SGP_READ, NULL);
+ int error = shmem_getpage(d_inode(dentry), 0, &page, SGP_READ, NULL);
nd_set_link(nd, error ? ERR_PTR(error) : kmap(page));
if (page)
unlock_page(page);
@@ -2574,7 +2574,7 @@ static int shmem_xattr_validate(const char *name)
static ssize_t shmem_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size)
{
- struct shmem_inode_info *info = SHMEM_I(dentry->d_inode);
+ struct shmem_inode_info *info = SHMEM_I(d_inode(dentry));
int err;
/*
@@ -2595,7 +2595,7 @@ static ssize_t shmem_getxattr(struct dentry *dentry, const char *name,
static int shmem_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
- struct shmem_inode_info *info = SHMEM_I(dentry->d_inode);
+ struct shmem_inode_info *info = SHMEM_I(d_inode(dentry));
int err;
/*
@@ -2615,7 +2615,7 @@ static int shmem_setxattr(struct dentry *dentry, const char *name,
static int shmem_removexattr(struct dentry *dentry, const char *name)
{
- struct shmem_inode_info *info = SHMEM_I(dentry->d_inode);
+ struct shmem_inode_info *info = SHMEM_I(d_inode(dentry));
int err;
/*
@@ -2635,7 +2635,7 @@ static int shmem_removexattr(struct dentry *dentry, const char *name)
static ssize_t shmem_listxattr(struct dentry *dentry, char *buffer, size_t size)
{
- struct shmem_inode_info *info = SHMEM_I(dentry->d_inode);
+ struct shmem_inode_info *info = SHMEM_I(d_inode(dentry));
return simple_xattr_list(&info->xattrs, buffer, size);
}
#endif /* CONFIG_TMPFS_XATTR */