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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2021-02-08 20:44:26 +0100 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2021-02-17 19:30:28 +0100 |
| commit | 9e514605c77451745ea9fca5a26fc3153893686a (patch) | |
| tree | a1de848996ddcb7f19c564c153e79b3d493fa76e /fs/gfs2/rgrp.h | |
| parent | 725d0e9d464d567cd9290e29879d8bffc92013f8 (diff) | |
| download | linux-9e514605c77451745ea9fca5a26fc3153893686a.tar.bz2 | |
gfs2: Add local resource group locking
Prepare for treating resource group glocks as exclusive among nodes but
shared among all tasks running on a node: introduce another layer of
node-specific locking that the local tasks can use to coordinate their
accesses.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2/rgrp.h')
| -rw-r--r-- | fs/gfs2/rgrp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h index be1b2034f5ee..a6855fd796e0 100644 --- a/fs/gfs2/rgrp.h +++ b/fs/gfs2/rgrp.h @@ -88,4 +88,8 @@ static inline int rgrp_contains_block(struct gfs2_rgrpd *rgd, u64 block) } extern void check_and_update_goal(struct gfs2_inode *ip); + +extern void rgrp_lock_local(struct gfs2_rgrpd *rgd); +extern void rgrp_unlock_local(struct gfs2_rgrpd *rgd); + #endif /* __RGRP_DOT_H__ */ |