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fs: add super_write_guard 

Link: https://patch.msgid.link/20251104-work-guards-v1-1-5108ac78a171@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-11-04 13:12:30 +01:00
parent 5b8ed52866
commit 8e4d576ed3
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1 changed files with 5 additions and 0 deletions
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5
include/linux/fs/super.h
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@ -125,6 +125,11 @@ static inline void sb_start_write(struct super_block *sb)
__sb_start_write(sb, SB_FREEZE_WRITE);
}
DEFINE_GUARD(super_write,
struct super_block *,
sb_start_write(_T),
sb_end_write(_T))
static inline bool sb_start_write_trylock(struct super_block *sb)
{
return __sb_start_write_trylock(sb, SB_FREEZE_WRITE);