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| author | Jeff Layton <jlayton@kernel.org> | 2024-03-19 17:34:45 +0100 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@kernel.org> | 2024-03-28 20:52:55 +0100 |
| commit | 7a84602297d36617dbdadeba55a2567031e5165b (patch) | |
| tree | 89d2df3ddaf164edef1367d6618f551f2418f7ad /fs/9p | |
| parent | fs/9p: fix the cache always being enabled on files with qid flags (diff) | |
| download | linux-7a84602297d36617dbdadeba55a2567031e5165b.tar.xz linux-7a84602297d36617dbdadeba55a2567031e5165b.zip | |
9p: explicitly deny setlease attempts
9p is a remote network protocol, and it doesn't support asynchronous
notifications from the server. Ensure that we don't hand out any leases
since we can't guarantee they'll be broken when a file's contents
change.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_file.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index abdbbaee5184..348cc90bf9c5 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -520,6 +520,7 @@ const struct file_operations v9fs_file_operations = { .splice_read = v9fs_file_splice_read, .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync, + .setlease = simple_nosetlease, }; const struct file_operations v9fs_file_operations_dotl = { @@ -534,4 +535,5 @@ const struct file_operations v9fs_file_operations_dotl = { .splice_read = v9fs_file_splice_read, .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync_dotl, + .setlease = simple_nosetlease, }; |