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btrfs: utilize IOP_FASTPERM_MAY_EXEC
authorMateusz Guzik <mjguzik@gmail.com>
Fri, 7 Nov 2025 14:21:48 +0000 (15:21 +0100)
committerChristian Brauner <brauner@kernel.org>
Wed, 12 Nov 2025 11:19:08 +0000 (12:19 +0100)
commit3e18f6256ecc1a1fce1fd8a7707c5daa162bd6b6
tree08f19da93997551509c6d5bbae86c0a2f268cac2tree | snapshot
parente631df89cd5d638a9d7c152dd9b0a92643efab3ecommit | diff
btrfs: utilize IOP_FASTPERM_MAY_EXEC

Root filesystem was ext4, btrfs was mounted on /testfs.

Then issuing access(2) in a loop on /testfs/repos/linux/include/linux/fs.h
on Sapphire Rapids (ops/s):

before: 3447976
after: 3620879 (+5%)

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://patch.msgid.link/20251107142149.989998-3-mjguzik@gmail.com
Acked-by: David Sterba <dsterba@suse.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
fs/btrfs/inode.c diff | blob | blame | history
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