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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-06-11 00:05:36 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-14 14:34:47 +0200 |
| commit | ebfc3b49a7ac25920cb5be5445f602e51d2ea559 (patch) | |
| tree | c3241f875dd04ab9f63b4e7ded7ed206e4df1b9f /Documentation/filesystems | |
| parent | fs/namei.c: don't pass nameidata to __lookup_hash() and lookup_real() (diff) | |
| download | linux-ebfc3b49a7ac25920cb5be5445f602e51d2ea559.tar.xz linux-ebfc3b49a7ac25920cb5be5445f602e51d2ea559.zip | |
don't pass nameidata to ->create()
boolean "does it have to be exclusive?" flag is passed instead;
Local filesystem should just ignore it - the object is guaranteed
not to be there yet.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/Locking | 2 | ||||
| -rw-r--r-- | Documentation/filesystems/porting | 6 | ||||
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 2 |
3 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 33f2c8f1db81..e0cce2a5f820 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -37,7 +37,7 @@ d_manage: no no yes (ref-walk) maybe --------------------------- inode_operations --------------------------- prototypes: - int (*create) (struct inode *,struct dentry *,umode_t, struct nameidata *); + int (*create) (struct inode *,struct dentry *,umode_t, bool); struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 690f573928b9..2bef2b3843d1 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -436,3 +436,9 @@ d_make_root() drops the reference to inode if dentry allocation fails. [mandatory] The witch is dead! Well, 2/3 of it, anyway. ->d_revalidate() and ->lookup() do *not* take struct nameidata anymore; just the flags. +-- +[mandatory] + ->create() doesn't take struct nameidata *; unlike the previous +two, it gets "is it an O_EXCL or equivalent?" boolean argument. Note that +local filesystems can ignore tha argument - they are guaranteed that the +object doesn't exist. It's remote/distributed ones that might care... diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index ee786354946c..aa754e01464e 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -341,7 +341,7 @@ This describes how the VFS can manipulate an inode in your filesystem. As of kernel 2.6.22, the following members are defined: struct inode_operations { - int (*create) (struct inode *,struct dentry *, umode_t, struct nameidata *); + int (*create) (struct inode *,struct dentry *, umode_t, bool); struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); |