aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/gfs2/aops.c39
-rw-r--r--fs/gfs2/super.c39
-rw-r--r--fs/gfs2/super.h4
3 files changed, 68 insertions, 14 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 03ebb439ace0..7ebae9a4ecc0 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -624,6 +624,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
{
struct gfs2_inode *ip = GFS2_I(mapping->host);
struct gfs2_sbd *sdp = GFS2_SB(mapping->host);
+ struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
int alloc_required;
int error = 0;
@@ -637,6 +638,14 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
error = gfs2_glock_nq(&ip->i_gh);
if (unlikely(error))
goto out_uninit;
+ if (&ip->i_inode == sdp->sd_rindex) {
+ error = gfs2_glock_nq_init(m_ip->i_gl, LM_ST_EXCLUSIVE,
+ GL_NOCACHE, &m_ip->i_gh);
+ if (unlikely(error)) {
+ gfs2_glock_dq(&ip->i_gh);
+ goto out_uninit;
+ }
+ }
error = gfs2_write_alloc_required(ip, pos, len, &alloc_required);
if (error)
@@ -667,6 +676,8 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
rblocks += data_blocks ? data_blocks : 1;
if (ind_blocks || data_blocks)
rblocks += RES_STATFS + RES_QUOTA;
+ if (&ip->i_inode == sdp->sd_rindex)
+ rblocks += 2 * RES_STATFS;
error = gfs2_trans_begin(sdp, rblocks,
PAGE_CACHE_SIZE/sdp->sd_sb.sb_bsize);
@@ -712,6 +723,10 @@ out_alloc_put:
gfs2_alloc_put(ip);
}
out_unlock:
+ if (&ip->i_inode == sdp->sd_rindex) {
+ gfs2_glock_dq(&m_ip->i_gh);
+ gfs2_holder_uninit(&m_ip->i_gh);
+ }
gfs2_glock_dq(&ip->i_gh);
out_uninit:
gfs2_holder_uninit(&ip->i_gh);
@@ -725,14 +740,21 @@ out_uninit:
static void adjust_fs_space(struct inode *inode)
{
struct gfs2_sbd *sdp = inode->i_sb->s_fs_info;
+ struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
+ struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+ struct buffer_head *m_bh, *l_bh;
u64 fs_total, new_free;
/* Total up the file system space, according to the latest rindex. */
fs_total = gfs2_ri_total(sdp);
+ if (gfs2_meta_inode_buffer(m_ip, &m_bh) != 0)
+ return;
spin_lock(&sdp->sd_statfs_spin);
+ gfs2_statfs_change_in(m_sc, m_bh->b_data +
+ sizeof(struct gfs2_dinode));
if (fs_total > (m_sc->sc_total + l_sc->sc_total))
new_free = fs_total - (m_sc->sc_total + l_sc->sc_total);
else
@@ -741,6 +763,13 @@ static void adjust_fs_space(struct inode *inode)
fs_warn(sdp, "File system extended by %llu blocks.\n",
(unsigned long long)new_free);
gfs2_statfs_change(sdp, new_free, new_free, 0);
+
+ if (gfs2_meta_inode_buffer(l_ip, &l_bh) != 0)
+ goto out;
+ update_statfs(sdp, m_bh, l_bh);
+ brelse(l_bh);
+out:
+ brelse(m_bh);
}
/**
@@ -763,6 +792,7 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
+ struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
u64 to = pos + copied;
void *kaddr;
unsigned char *buf = dibh->b_data + sizeof(struct gfs2_dinode);
@@ -794,6 +824,10 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
brelse(dibh);
gfs2_trans_end(sdp);
+ if (inode == sdp->sd_rindex) {
+ gfs2_glock_dq(&m_ip->i_gh);
+ gfs2_holder_uninit(&m_ip->i_gh);
+ }
gfs2_glock_dq(&ip->i_gh);
gfs2_holder_uninit(&ip->i_gh);
return copied;
@@ -823,6 +857,7 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
struct inode *inode = page->mapping->host;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
+ struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct buffer_head *dibh;
struct gfs2_alloc *al = ip->i_alloc;
unsigned int from = pos & (PAGE_CACHE_SIZE - 1);
@@ -865,6 +900,10 @@ failed:
gfs2_quota_unlock(ip);
gfs2_alloc_put(ip);
}
+ if (inode == sdp->sd_rindex) {
+ gfs2_glock_dq(&m_ip->i_gh);
+ gfs2_holder_uninit(&m_ip->i_gh);
+ }
gfs2_glock_dq(&ip->i_gh);
gfs2_holder_uninit(&ip->i_gh);
return ret;
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 0a6801336470..552e321cee5e 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -353,7 +353,7 @@ fail:
return error;
}
-static void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
+void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
{
const struct gfs2_statfs_change *str = buf;
@@ -441,6 +441,29 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
brelse(l_bh);
}
+void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
+ struct buffer_head *l_bh)
+{
+ struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
+ struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
+ struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
+ struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+
+ gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
+
+ spin_lock(&sdp->sd_statfs_spin);
+ m_sc->sc_total += l_sc->sc_total;
+ m_sc->sc_free += l_sc->sc_free;
+ m_sc->sc_dinodes += l_sc->sc_dinodes;
+ memset(l_sc, 0, sizeof(struct gfs2_statfs_change));
+ memset(l_bh->b_data + sizeof(struct gfs2_dinode),
+ 0, sizeof(struct gfs2_statfs_change));
+ spin_unlock(&sdp->sd_statfs_spin);
+
+ gfs2_trans_add_bh(m_ip->i_gl, m_bh, 1);
+ gfs2_statfs_change_out(m_sc, m_bh->b_data + sizeof(struct gfs2_dinode));
+}
+
int gfs2_statfs_sync(struct gfs2_sbd *sdp)
{
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
@@ -477,19 +500,7 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
if (error)
goto out_bh2;
- gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
-
- spin_lock(&sdp->sd_statfs_spin);
- m_sc->sc_total += l_sc->sc_total;
- m_sc->sc_free += l_sc->sc_free;
- m_sc->sc_dinodes += l_sc->sc_dinodes;
- memset(l_sc, 0, sizeof(struct gfs2_statfs_change));
- memset(l_bh->b_data + sizeof(struct gfs2_dinode),
- 0, sizeof(struct gfs2_statfs_change));
- spin_unlock(&sdp->sd_statfs_spin);
-
- gfs2_trans_add_bh(m_ip->i_gl, m_bh, 1);
- gfs2_statfs_change_out(m_sc, m_bh->b_data + sizeof(struct gfs2_dinode));
+ update_statfs(sdp, m_bh, l_bh);
gfs2_trans_end(sdp);
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index b56413e3e40d..22e0417ed996 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -40,6 +40,10 @@ extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
s64 dinodes);
+extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
+ const void *buf);
+extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
+ struct buffer_head *l_bh);
extern int gfs2_statfs_sync(struct gfs2_sbd *sdp);
extern int gfs2_freeze_fs(struct gfs2_sbd *sdp);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 21:22:01 +0000