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author | Amir Goldstein <amir73il@gmail.com> | 2023-11-22 14:27:07 +0200 |
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committer | Christian Brauner <brauner@kernel.org> | 2023-11-24 09:22:28 +0100 |
commit | 2f4d8ad82511a336f8a805e3759c5189a25bb286 (patch) | |
tree | 3a281c85d9d272663b40e913936e42a31a607e94 /fs/coda | |
parent | 0b5263d12aed0437c1bdb7ba0be27437fc12c274 (diff) | |
download | lwn-2f4d8ad82511a336f8a805e3759c5189a25bb286.tar.gz lwn-2f4d8ad82511a336f8a805e3759c5189a25bb286.zip |
btrfs: move file_start_write() to after permission hook
In vfs code, file_start_write() is usually called after the permission
hook in rw_verify_area(). btrfs_ioctl_encoded_write() in an exception
to this rule.
Move file_start_write() to after the rw_verify_area() check in encoded
write to make the permission hook "start-write-safe".
This is needed for fanotify "pre content" events.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231122122715.2561213-9-amir73il@gmail.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/coda')
0 files changed, 0 insertions, 0 deletions