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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-06-30 13:48:49 -0400 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-08-09 09:15:40 +0200 |
| commit | 6faddda69f623d38bb097640689901a4b5ff881a (patch) | |
| tree | 2eee7b05ddca4fe7b338ade9fd9eb45f8be064f7 /Documentation/filesystems/vfs.rst | |
| parent | 509f006932de7556d48eaa7afcd02dcf1ca9a3e9 (diff) | |
| download | linux-6faddda69f623d38bb097640689901a4b5ff881a.tar.gz linux-6faddda69f623d38bb097640689901a4b5ff881a.tar.bz2 linux-6faddda69f623d38bb097640689901a4b5ff881a.zip | |
libfs: Add directory operations for stable offsets
Create a vector of directory operations in fs/libfs.c that handles
directory seeks and readdir via stable offsets instead of the
current cursor-based mechanism.
For the moment these are unused.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Message-Id: <168814732984.530310.11190772066786107220.stgit@manet.1015granger.net>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'Documentation/filesystems/vfs.rst')
| -rw-r--r-- | Documentation/filesystems/vfs.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst index cb2a97e49872..898d0b43109e 100644 --- a/Documentation/filesystems/vfs.rst +++ b/Documentation/filesystems/vfs.rst @@ -515,6 +515,7 @@ As of kernel 2.6.22, the following members are defined: int (*fileattr_set)(struct mnt_idmap *idmap, struct dentry *dentry, struct fileattr *fa); int (*fileattr_get)(struct dentry *dentry, struct fileattr *fa); + struct offset_ctx *(*get_offset_ctx)(struct inode *inode); }; Again, all methods are called without any locks being held, unless @@ -675,7 +676,10 @@ otherwise noted. called on ioctl(FS_IOC_SETFLAGS) and ioctl(FS_IOC_FSSETXATTR) to change miscellaneous file flags and attributes. Callers hold i_rwsem exclusive. If unset, then fall back to f_op->ioctl(). - +``get_offset_ctx`` + called to get the offset context for a directory inode. A + filesystem must define this operation to use + simple_offset_dir_operations. The Address Space Object ======================== |