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VFS: fs library helpers: d_inode() annotations

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library helpers called by filesystem drivers on their own inodes

Signed-off-by: David Howells <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
David Howells 2015-03-17 22:26:15 +00:00 • committed by Al Viro
commit dea655c28a
2 changed files with 18 additions and 18 deletions
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26
fs/libfs.c
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@ -22,13 +22,13 @@
static inline int simple_positive(struct dentry *dentry)
{
return dentry->d_inode && !d_unhashed(dentry);
return d_really_is_positive(dentry) && !d_unhashed(dentry);
}
int simple_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_inode(dentry);
generic_fillattr(inode, stat);
stat->blocks = inode->i_mapping->nrpages << (PAGE_CACHE_SHIFT - 9);
return 0;
@ -94,7 +94,7 @@ EXPORT_SYMBOL(dcache_dir_close);
loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
{
struct dentry *dentry = file->f_path.dentry;
mutex_lock(&dentry->d_inode->i_mutex);
mutex_lock(&d_inode(dentry)->i_mutex);
switch (whence) {
case 1:
offset += file->f_pos;
@ -102,7 +102,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
if (offset >= 0)
break;
default:
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
return -EINVAL;
}
if (offset != file->f_pos) {
@ -129,7 +129,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
spin_unlock(&dentry->d_lock);
}
}
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
return offset;
}
EXPORT_SYMBOL(dcache_dir_lseek);
@ -169,7 +169,7 @@ int dcache_readdir(struct file *file, struct dir_context *ctx)
spin_unlock(&next->d_lock);
spin_unlock(&dentry->d_lock);
if (!dir_emit(ctx, next->d_name.name, next->d_name.len,
next->d_inode->i_ino, dt_type(next->d_inode)))
d_inode(next)->i_ino, dt_type(d_inode(next))))
return 0;
spin_lock(&dentry->d_lock);
spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
@ -270,7 +270,7 @@ EXPORT_SYMBOL(simple_open);
int simple_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);
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
inc_nlink(inode);
@ -304,7 +304,7 @@ EXPORT_SYMBOL(simple_empty);
int simple_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_inode(dentry);
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
drop_nlink(inode);
@ -318,7 +318,7 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry)
if (!simple_empty(dentry))
return -ENOTEMPTY;
drop_nlink(dentry->d_inode);
drop_nlink(d_inode(dentry));
simple_unlink(dir, dentry);
drop_nlink(dir);
return 0;
@ -328,16 +328,16 @@ EXPORT_SYMBOL(simple_rmdir);
int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
struct inode *inode = old_dentry->d_inode;
struct inode *inode = d_inode(old_dentry);
int they_are_dirs = d_is_dir(old_dentry);
if (!simple_empty(new_dentry))
return -ENOTEMPTY;
if (new_dentry->d_inode) {
if (d_really_is_positive(new_dentry)) {
simple_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) {
@ -368,7 +368,7 @@ EXPORT_SYMBOL(simple_rename);
*/
int simple_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_inode(dentry);
int error;
error = inode_change_ok(inode, iattr);