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Diffstat (limited to 'fs/gfs2/glops.c')
-rw-r--r--fs/gfs2/glops.c90
1 files changed, 44 insertions, 46 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 45653cbc8a87..eb4714f299ef 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -82,6 +82,9 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync,
GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count));
spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
+
+ if (gfs2_withdrawing(sdp))
+ gfs2_withdraw(sdp);
}
@@ -382,23 +385,6 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
gfs2_clear_glop_pending(ip);
}
-/**
- * inode_go_demote_ok - Check to see if it's ok to unlock an inode glock
- * @gl: the glock
- *
- * Returns: 1 if it's ok
- */
-
-static int inode_go_demote_ok(const struct gfs2_glock *gl)
-{
- struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
-
- if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
- return 0;
-
- return 1;
-}
-
static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
@@ -409,10 +395,14 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
struct inode *inode = &ip->i_inode;
bool is_new = inode->i_state & I_NEW;
- if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
- goto corrupt;
- if (unlikely(!is_new && inode_wrong_type(inode, mode)))
- goto corrupt;
+ if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) {
+ gfs2_consist_inode(ip);
+ return -EIO;
+ }
+ if (unlikely(!is_new && inode_wrong_type(inode, mode))) {
+ gfs2_consist_inode(ip);
+ return -EIO;
+ }
ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino);
inode->i_mode = mode;
if (is_new) {
@@ -449,26 +439,28 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
/* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */
gfs2_set_inode_flags(inode);
height = be16_to_cpu(str->di_height);
- if (unlikely(height > sdp->sd_max_height))
- goto corrupt;
+ if (unlikely(height > sdp->sd_max_height)) {
+ gfs2_consist_inode(ip);
+ return -EIO;
+ }
ip->i_height = (u8)height;
depth = be16_to_cpu(str->di_depth);
- if (unlikely(depth > GFS2_DIR_MAX_DEPTH))
- goto corrupt;
+ if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) {
+ gfs2_consist_inode(ip);
+ return -EIO;
+ }
ip->i_depth = (u8)depth;
ip->i_entries = be32_to_cpu(str->di_entries);
- if (gfs2_is_stuffed(ip) && inode->i_size > gfs2_max_stuffed_size(ip))
- goto corrupt;
-
+ if (gfs2_is_stuffed(ip) && inode->i_size > gfs2_max_stuffed_size(ip)) {
+ gfs2_consist_inode(ip);
+ return -EIO;
+ }
if (S_ISREG(inode->i_mode))
gfs2_set_aops(inode);
return 0;
-corrupt:
- gfs2_consist_inode(ip);
- return -EIO;
}
/**
@@ -478,7 +470,7 @@ corrupt:
* Returns: errno
*/
-int gfs2_inode_refresh(struct gfs2_inode *ip)
+static int gfs2_inode_refresh(struct gfs2_inode *ip)
{
struct buffer_head *dibh;
int error;
@@ -502,11 +494,18 @@ int gfs2_inode_refresh(struct gfs2_inode *ip)
static int inode_go_instantiate(struct gfs2_glock *gl)
{
struct gfs2_inode *ip = gl->gl_object;
+ struct gfs2_glock *io_gl;
+ int error;
if (!ip) /* no inode to populate - read it in later */
return 0;
- return gfs2_inode_refresh(ip);
+ error = gfs2_inode_refresh(ip);
+ if (error)
+ return error;
+ io_gl = ip->i_iopen_gh.gh_gl;
+ io_gl->gl_no_formal_ino = ip->i_no_formal_ino;
+ return 0;
}
static int inode_go_held(struct gfs2_holder *gh)
@@ -639,21 +638,21 @@ static void iopen_go_callback(struct gfs2_glock *gl, bool remote)
}
/**
- * inode_go_free - wake up anyone waiting for dlm's unlock ast to free it
- * @gl: glock being freed
+ * inode_go_unlocked - wake up anyone waiting for dlm's unlock ast
+ * @gl: glock being unlocked
*
* For now, this is only used for the journal inode glock. In withdraw
- * situations, we need to wait for the glock to be freed so that we know
+ * situations, we need to wait for the glock to be unlocked so that we know
* other nodes may proceed with recovery / journal replay.
*/
-static void inode_go_free(struct gfs2_glock *gl)
+static void inode_go_unlocked(struct gfs2_glock *gl)
{
/* Note that we cannot reference gl_object because it's already set
* to NULL by this point in its lifecycle. */
- if (!test_bit(GLF_FREEING, &gl->gl_flags))
+ if (!test_bit(GLF_UNLOCKED, &gl->gl_flags))
return;
- clear_bit_unlock(GLF_FREEING, &gl->gl_flags);
- wake_up_bit(&gl->gl_flags, GLF_FREEING);
+ clear_bit_unlock(GLF_UNLOCKED, &gl->gl_flags);
+ wake_up_bit(&gl->gl_flags, GLF_UNLOCKED);
}
/**
@@ -713,13 +712,12 @@ const struct gfs2_glock_operations gfs2_meta_glops = {
const struct gfs2_glock_operations gfs2_inode_glops = {
.go_sync = inode_go_sync,
.go_inval = inode_go_inval,
- .go_demote_ok = inode_go_demote_ok,
.go_instantiate = inode_go_instantiate,
.go_held = inode_go_held,
.go_dump = inode_go_dump,
.go_type = LM_TYPE_INODE,
- .go_flags = GLOF_ASPACE | GLOF_LRU | GLOF_LVB,
- .go_free = inode_go_free,
+ .go_flags = GLOF_ASPACE | GLOF_LVB,
+ .go_unlocked = inode_go_unlocked,
};
const struct gfs2_glock_operations gfs2_rgrp_glops = {
@@ -742,13 +740,13 @@ const struct gfs2_glock_operations gfs2_iopen_glops = {
.go_type = LM_TYPE_IOPEN,
.go_callback = iopen_go_callback,
.go_dump = inode_go_dump,
- .go_flags = GLOF_LRU | GLOF_NONDISK,
+ .go_flags = GLOF_NONDISK,
.go_subclass = 1,
};
const struct gfs2_glock_operations gfs2_flock_glops = {
.go_type = LM_TYPE_FLOCK,
- .go_flags = GLOF_LRU | GLOF_NONDISK,
+ .go_flags = GLOF_NONDISK,
};
const struct gfs2_glock_operations gfs2_nondisk_glops = {
@@ -759,7 +757,7 @@ const struct gfs2_glock_operations gfs2_nondisk_glops = {
const struct gfs2_glock_operations gfs2_quota_glops = {
.go_type = LM_TYPE_QUOTA,
- .go_flags = GLOF_LVB | GLOF_LRU | GLOF_NONDISK,
+ .go_flags = GLOF_LVB | GLOF_NONDISK,
};
const struct gfs2_glock_operations gfs2_journal_glops = {