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d_path: kerneldoc cleanup

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Move and update d_path() kernel API documentation.

Signed-off-by: Jan Blunck <[email protected]>
Acked-by: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Cc: "J. Bruce Fields" <[email protected]>
Cc: Neil Brown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jan Blunck 2008-02-14 19:38:32 -08:00 • committed by Linus Torvalds
commit a03a8a709a
1 changed files with 16 additions and 3 deletions
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19
fs/dcache.c
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@ -1843,9 +1843,22 @@ Elong:
return ERR_PTR(-ENAMETOOLONG);
}
/* write full pathname into buffer and return start of pathname */
char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
char *buf, int buflen)
/**
* d_path - return the path of a dentry
* @dentry: dentry to report
* @vfsmnt: vfsmnt to which the dentry belongs
* @buf: buffer to return value in
* @buflen: buffer length
*
* Convert a dentry into an ASCII path name. If the entry has been deleted
* the string " (deleted)" is appended. Note that this is ambiguous.
*
* Returns the buffer or an error code if the path was too long.
*
* "buflen" should be positive. Caller holds the dcache_lock.
*/
char *d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
char *buf, int buflen)
{
char *res;
struct path root;