diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/gfs2/glops.c | 14 | ||||
| -rw-r--r-- | fs/gfs2/rgrp.c | 23 | ||||
| -rw-r--r-- | fs/gfs2/rgrp.h | 1 |
3 files changed, 31 insertions, 7 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 1249b2b..fa3fa5e 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -144,6 +144,12 @@ static void rgrp_go_sync(struct gfs2_glock *gl) struct gfs2_rgrpd *rgd; int error; + spin_lock(&gl->gl_spin); + rgd = gl->gl_object; + if (rgd) + gfs2_rgrp_brelse(rgd); + spin_unlock(&gl->gl_spin); + if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) return; GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE); @@ -175,15 +181,17 @@ static void rgrp_go_inval(struct gfs2_glock *gl, int flags) { struct gfs2_sbd *sdp = gl->gl_sbd; struct address_space *mapping = &sdp->sd_aspace; + struct gfs2_rgrpd *rgd = gl->gl_object; + + if (rgd) + gfs2_rgrp_brelse(rgd); WARN_ON_ONCE(!(flags & DIO_METADATA)); gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count)); truncate_inode_pages_range(mapping, gl->gl_vm.start, gl->gl_vm.end); - if (gl->gl_object) { - struct gfs2_rgrpd *rgd = (struct gfs2_rgrpd *)gl->gl_object; + if (rgd) rgd->rd_flags &= ~GFS2_RDF_UPTODATE; - } } /** diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index cd53d6e..c6c6232 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1244,14 +1244,13 @@ int gfs2_rgrp_go_lock(struct gfs2_holder *gh) } /** - * gfs2_rgrp_go_unlock - Release RG bitmaps read in with gfs2_rgrp_bh_get() - * @gh: The glock holder for the resource group + * gfs2_rgrp_brelse - Release RG bitmaps read in with gfs2_rgrp_bh_get() + * @rgd: The resource group * */ -void gfs2_rgrp_go_unlock(struct gfs2_holder *gh) +void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd) { - struct gfs2_rgrpd *rgd = gh->gh_gl->gl_object; int x, length = rgd->rd_length; for (x = 0; x < length; x++) { @@ -1264,6 +1263,22 @@ void gfs2_rgrp_go_unlock(struct gfs2_holder *gh) } +/** + * gfs2_rgrp_go_unlock - Unlock a rgrp glock + * @gh: The glock holder for the resource group + * + */ + +void gfs2_rgrp_go_unlock(struct gfs2_holder *gh) +{ + struct gfs2_rgrpd *rgd = gh->gh_gl->gl_object; + int demote_requested = test_bit(GLF_DEMOTE, &gh->gh_gl->gl_flags) | + test_bit(GLF_PENDING_DEMOTE, &gh->gh_gl->gl_flags); + + if (rgd && demote_requested) + gfs2_rgrp_brelse(rgd); +} + int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset, struct buffer_head *bh, const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed) diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h index 68972ec..c0ab33f 100644 --- a/fs/gfs2/rgrp.h +++ b/fs/gfs2/rgrp.h @@ -36,6 +36,7 @@ extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp); extern int gfs2_rindex_update(struct gfs2_sbd *sdp); extern void gfs2_free_clones(struct gfs2_rgrpd *rgd); extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh); +extern void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd); extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh); extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip); |
