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Diffstat (limited to 'fs/gfs2/glops.c')
-rw-r--r--fs/gfs2/glops.c100
1 files changed, 42 insertions, 58 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index dda68586f75..c4b0391b7aa 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -117,12 +117,14 @@ static void gfs2_pte_inval(struct gfs2_glock *gl)
static void meta_go_sync(struct gfs2_glock *gl)
{
+ if (gl->gl_state != LM_ST_EXCLUSIVE)
+ return;
+
if (test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) {
gfs2_log_flush(gl->gl_sbd, gl);
gfs2_meta_sync(gl);
gfs2_ail_empty_gl(gl);
}
-
}
/**
@@ -142,6 +144,37 @@ static void meta_go_inval(struct gfs2_glock *gl, int flags)
}
/**
+ * inode_go_sync - Sync the dirty data and/or metadata for an inode glock
+ * @gl: the glock protecting the inode
+ *
+ */
+
+static void inode_go_sync(struct gfs2_glock *gl)
+{
+ struct gfs2_inode *ip = gl->gl_object;
+
+ if (ip && !S_ISREG(ip->i_inode.i_mode))
+ ip = NULL;
+
+ if (test_bit(GLF_DIRTY, &gl->gl_flags)) {
+ gfs2_log_flush(gl->gl_sbd, gl);
+ if (ip)
+ filemap_fdatawrite(ip->i_inode.i_mapping);
+ gfs2_meta_sync(gl);
+ if (ip) {
+ struct address_space *mapping = ip->i_inode.i_mapping;
+ int error = filemap_fdatawait(mapping);
+ if (error == -ENOSPC)
+ set_bit(AS_ENOSPC, &mapping->flags);
+ else if (error)
+ set_bit(AS_EIO, &mapping->flags);
+ }
+ clear_bit(GLF_DIRTY, &gl->gl_flags);
+ gfs2_ail_empty_gl(gl);
+ }
+}
+
+/**
* inode_go_xmote_th - promote/demote a glock
* @gl: the glock
* @state: the requested state
@@ -149,12 +182,12 @@ static void meta_go_inval(struct gfs2_glock *gl, int flags)
*
*/
-static void inode_go_xmote_th(struct gfs2_glock *gl, unsigned int state,
- int flags)
+static void inode_go_xmote_th(struct gfs2_glock *gl)
{
if (gl->gl_state != LM_ST_UNLOCKED)
gfs2_pte_inval(gl);
- gfs2_glock_xmote_th(gl, state, flags);
+ if (gl->gl_state == LM_ST_EXCLUSIVE)
+ inode_go_sync(gl);
}
/**
@@ -189,38 +222,8 @@ static void inode_go_xmote_bh(struct gfs2_glock *gl)
static void inode_go_drop_th(struct gfs2_glock *gl)
{
gfs2_pte_inval(gl);
- gfs2_glock_drop_th(gl);
-}
-
-/**
- * inode_go_sync - Sync the dirty data and/or metadata for an inode glock
- * @gl: the glock protecting the inode
- *
- */
-
-static void inode_go_sync(struct gfs2_glock *gl)
-{
- struct gfs2_inode *ip = gl->gl_object;
-
- if (ip && !S_ISREG(ip->i_inode.i_mode))
- ip = NULL;
-
- if (test_bit(GLF_DIRTY, &gl->gl_flags)) {
- gfs2_log_flush(gl->gl_sbd, gl);
- if (ip)
- filemap_fdatawrite(ip->i_inode.i_mapping);
- gfs2_meta_sync(gl);
- if (ip) {
- struct address_space *mapping = ip->i_inode.i_mapping;
- int error = filemap_fdatawait(mapping);
- if (error == -ENOSPC)
- set_bit(AS_ENOSPC, &mapping->flags);
- else if (error)
- set_bit(AS_EIO, &mapping->flags);
- }
- clear_bit(GLF_DIRTY, &gl->gl_flags);
- gfs2_ail_empty_gl(gl);
- }
+ if (gl->gl_state == LM_ST_EXCLUSIVE)
+ inode_go_sync(gl);
}
/**
@@ -365,8 +368,7 @@ static void rgrp_go_unlock(struct gfs2_holder *gh)
*
*/
-static void trans_go_xmote_th(struct gfs2_glock *gl, unsigned int state,
- int flags)
+static void trans_go_xmote_th(struct gfs2_glock *gl)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
@@ -375,8 +377,6 @@ static void trans_go_xmote_th(struct gfs2_glock *gl, unsigned int state,
gfs2_meta_syncfs(sdp);
gfs2_log_shutdown(sdp);
}
-
- gfs2_glock_xmote_th(gl, state, flags);
}
/**
@@ -428,8 +428,6 @@ static void trans_go_drop_th(struct gfs2_glock *gl)
gfs2_meta_syncfs(sdp);
gfs2_log_shutdown(sdp);
}
-
- gfs2_glock_drop_th(gl);
}
/**
@@ -445,8 +443,8 @@ static int quota_go_demote_ok(struct gfs2_glock *gl)
}
const struct gfs2_glock_operations gfs2_meta_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
+ .go_xmote_th = meta_go_sync,
+ .go_drop_th = meta_go_sync,
.go_type = LM_TYPE_META,
};
@@ -454,7 +452,6 @@ const struct gfs2_glock_operations gfs2_inode_glops = {
.go_xmote_th = inode_go_xmote_th,
.go_xmote_bh = inode_go_xmote_bh,
.go_drop_th = inode_go_drop_th,
- .go_sync = inode_go_sync,
.go_inval = inode_go_inval,
.go_demote_ok = inode_go_demote_ok,
.go_lock = inode_go_lock,
@@ -463,9 +460,6 @@ const struct gfs2_glock_operations gfs2_inode_glops = {
};
const struct gfs2_glock_operations gfs2_rgrp_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
- .go_sync = meta_go_sync,
.go_inval = meta_go_inval,
.go_demote_ok = rgrp_go_demote_ok,
.go_lock = rgrp_go_lock,
@@ -481,33 +475,23 @@ const struct gfs2_glock_operations gfs2_trans_glops = {
};
const struct gfs2_glock_operations gfs2_iopen_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
.go_type = LM_TYPE_IOPEN,
};
const struct gfs2_glock_operations gfs2_flock_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
.go_type = LM_TYPE_FLOCK,
};
const struct gfs2_glock_operations gfs2_nondisk_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
.go_type = LM_TYPE_NONDISK,
};
const struct gfs2_glock_operations gfs2_quota_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
.go_demote_ok = quota_go_demote_ok,
.go_type = LM_TYPE_QUOTA,
};
const struct gfs2_glock_operations gfs2_journal_glops = {
- .go_xmote_th = gfs2_glock_xmote_th,
- .go_drop_th = gfs2_glock_drop_th,
.go_type = LM_TYPE_JOURNAL,
};