On Sun 22-04-18 18:10:57, Amir Goldstein wrote: > Needed by ext4 to test frozen fs before updating s_last_mounted. > > Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> Looks good. You can add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > include/linux/fs.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/include/linux/fs.h b/include/linux/fs.h > index 760d8da1b6c7..cac41f1bad05 100644 > --- a/include/linux/fs.h > +++ b/include/linux/fs.h > @@ -1597,6 +1597,11 @@ static inline void sb_start_intwrite(struct super_block *sb) > __sb_start_write(sb, SB_FREEZE_FS, true); > } > > +static inline int sb_start_intwrite_trylock(struct super_block *sb) > +{ > + return __sb_start_write(sb, SB_FREEZE_FS, false); > +} > + > > extern bool inode_owner_or_capable(const struct inode *inode); > > -- > 2.7.4 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR