projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 5b7ce5e) | patch
btrfs: voluntarily relinquish cpu when doing a full fsync
authorFilipe Manana <fdmanana@suse.com>
Thu, 17 Feb 2022 12:12:05 +0000 (12:12 +0000)
committerDavid Sterba <dsterba@suse.com>
Mon, 14 Mar 2022 12:13:52 +0000 (13:13 +0100)
commit96acb3753e0740e0a3148640927dcf3249f09f5d
tree3fb5e6b96c7ad3f8cb699ed43804f9dc01fe6902tree | snapshot
parent5b7ce5e287f030d1d3c799abea769b1a308067bacommit | diff
btrfs: voluntarily relinquish cpu when doing a full fsync

Doing a full fsync may require processing many leaves of metadata, which
can take some time and result in a task monopolizing a cpu for too long.
So add a cond_resched() after processing a leaf when doing a full fsync,
while not holding any locks on any tree (a subvolume or a log tree).

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/tree-log.c diff | blob | history
Domain: System / Kernel;