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Diffstat (limited to 'fs/gfs2/bmap.c')
-rw-r--r--fs/gfs2/bmap.c126
1 files changed, 92 insertions, 34 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index dab54099dd98..5e2f56fccf6b 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -22,6 +22,7 @@
#include "meta_io.h"
#include "quota.h"
#include "rgrp.h"
+#include "log.h"
#include "super.h"
#include "trans.h"
#include "dir.h"
@@ -93,7 +94,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
if (!gfs2_is_jdata(ip))
mark_buffer_dirty(bh);
if (!gfs2_is_writeback(ip))
- gfs2_trans_add_bh(ip->i_gl, bh, 0);
+ gfs2_trans_add_data(ip->i_gl, bh);
if (release) {
unlock_page(page);
@@ -153,7 +154,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
/* Set up the pointer to the new block */
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+ gfs2_trans_add_meta(ip->i_gl, dibh);
di = (struct gfs2_dinode *)dibh->b_data;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
@@ -405,7 +406,7 @@ static inline __be64 *gfs2_indirect_init(struct metapath *mp,
BUG_ON(i < 1);
BUG_ON(mp->mp_bh[i] != NULL);
mp->mp_bh[i] = gfs2_meta_new(gl, bn);
- gfs2_trans_add_bh(gl, mp->mp_bh[i], 1);
+ gfs2_trans_add_meta(gl, mp->mp_bh[i]);
gfs2_metatype_set(mp->mp_bh[i], GFS2_METATYPE_IN, GFS2_FORMAT_IN);
gfs2_buffer_clear_tail(mp->mp_bh[i], sizeof(struct gfs2_meta_header));
ptr += offset;
@@ -468,7 +469,7 @@ static int gfs2_bmap_alloc(struct inode *inode, const sector_t lblock,
BUG_ON(sheight < 1);
BUG_ON(dibh == NULL);
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+ gfs2_trans_add_meta(ip->i_gl, dibh);
if (height == sheight) {
struct buffer_head *bh;
@@ -544,7 +545,7 @@ static int gfs2_bmap_alloc(struct inode *inode, const sector_t lblock,
/* Branching from existing tree */
case ALLOC_GROW_DEPTH:
if (i > 1 && i < height)
- gfs2_trans_add_bh(ip->i_gl, mp->mp_bh[i-1], 1);
+ gfs2_trans_add_meta(ip->i_gl, mp->mp_bh[i-1]);
for (; i < height && n > 0; i++, n--)
gfs2_indirect_init(mp, ip->i_gl, i,
mp->mp_list[i-1], bn++);
@@ -556,7 +557,7 @@ static int gfs2_bmap_alloc(struct inode *inode, const sector_t lblock,
case ALLOC_DATA:
BUG_ON(n > dblks);
BUG_ON(mp->mp_bh[end_of_metadata] == NULL);
- gfs2_trans_add_bh(ip->i_gl, mp->mp_bh[end_of_metadata], 1);
+ gfs2_trans_add_meta(ip->i_gl, mp->mp_bh[end_of_metadata]);
dblks = n;
ptr = metapointer(end_of_metadata, mp);
dblock = bn;
@@ -785,6 +786,9 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
if (error)
goto out_rlist;
+ if (gfs2_rs_active(ip->i_res)) /* needs to be done with the rgrp glock held */
+ gfs2_rs_deltree(ip->i_res);
+
error = gfs2_trans_begin(sdp, rg_blocks + RES_DINODE +
RES_INDIRECT + RES_STATFS + RES_QUOTA,
revokes);
@@ -793,8 +797,8 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
down_write(&ip->i_rw_mutex);
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
- gfs2_trans_add_bh(ip->i_gl, bh, 1);
+ gfs2_trans_add_meta(ip->i_gl, dibh);
+ gfs2_trans_add_meta(ip->i_gl, bh);
bstart = 0;
blen = 0;
@@ -978,7 +982,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from)
}
if (!gfs2_is_writeback(ip))
- gfs2_trans_add_bh(ip->i_gl, bh, 0);
+ gfs2_trans_add_data(ip->i_gl, bh);
zero_user(page, offset, length);
mark_buffer_dirty(bh);
@@ -988,6 +992,41 @@ unlock:
return err;
}
+/**
+ * gfs2_journaled_truncate - Wrapper for truncate_pagecache for jdata files
+ * @inode: The inode being truncated
+ * @oldsize: The original (larger) size
+ * @newsize: The new smaller size
+ *
+ * With jdata files, we have to journal a revoke for each block which is
+ * truncated. As a result, we need to split this into separate transactions
+ * if the number of pages being truncated gets too large.
+ */
+
+#define GFS2_JTRUNC_REVOKES 8192
+
+static int gfs2_journaled_truncate(struct inode *inode, u64 oldsize, u64 newsize)
+{
+ struct gfs2_sbd *sdp = GFS2_SB(inode);
+ u64 max_chunk = GFS2_JTRUNC_REVOKES * sdp->sd_vfs->s_blocksize;
+ u64 chunk;
+ int error;
+
+ while (oldsize != newsize) {
+ chunk = oldsize - newsize;
+ if (chunk > max_chunk)
+ chunk = max_chunk;
+ truncate_pagecache(inode, oldsize, oldsize - chunk);
+ oldsize -= chunk;
+ gfs2_trans_end(sdp);
+ error = gfs2_trans_begin(sdp, RES_DINODE, GFS2_JTRUNC_REVOKES);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
{
struct gfs2_inode *ip = GFS2_I(inode);
@@ -997,8 +1036,10 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
int journaled = gfs2_is_jdata(ip);
int error;
- error = gfs2_trans_begin(sdp,
- RES_DINODE + (journaled ? RES_JDATA : 0), 0);
+ if (journaled)
+ error = gfs2_trans_begin(sdp, RES_DINODE + RES_JDATA, GFS2_JTRUNC_REVOKES);
+ else
+ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
if (error)
return error;
@@ -1006,7 +1047,7 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
if (error)
goto out;
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+ gfs2_trans_add_meta(ip->i_gl, dibh);
if (gfs2_is_stuffed(ip)) {
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + newsize);
@@ -1023,7 +1064,16 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_dinode_out(ip, dibh->b_data);
- truncate_pagecache(inode, oldsize, newsize);
+ if (journaled)
+ error = gfs2_journaled_truncate(inode, oldsize, newsize);
+ else
+ truncate_pagecache(inode, oldsize, newsize);
+
+ if (error) {
+ brelse(dibh);
+ return error;
+ }
+
out_brelse:
brelse(dibh);
out:
@@ -1045,12 +1095,13 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size)
lblock = (size - 1) >> sdp->sd_sb.sb_bsize_shift;
find_metapath(sdp, lblock, &mp, ip->i_height);
- if (!gfs2_qadata_get(ip))
- return -ENOMEM;
+ error = gfs2_rindex_update(sdp);
+ if (error)
+ return error;
- error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
+ error = gfs2_quota_hold(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
if (error)
- goto out;
+ return error;
while (height--) {
struct strip_mine sm;
@@ -1064,8 +1115,6 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size)
gfs2_quota_unhold(ip);
-out:
- gfs2_qadata_put(ip);
return error;
}
@@ -1089,11 +1138,12 @@ static int trunc_end(struct gfs2_inode *ip)
ip->i_height = 0;
ip->i_goal = ip->i_no_addr;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
+ gfs2_ordered_del_inode(ip);
}
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG;
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+ gfs2_trans_add_meta(ip->i_gl, dibh);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@@ -1167,27 +1217,24 @@ static int do_grow(struct inode *inode, u64 size)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct buffer_head *dibh;
- struct gfs2_qadata *qa = NULL;
int error;
int unstuff = 0;
if (gfs2_is_stuffed(ip) &&
(size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) {
- qa = gfs2_qadata_get(ip);
- if (qa == NULL)
- return -ENOMEM;
-
error = gfs2_quota_lock_check(ip);
if (error)
- goto do_grow_alloc_put;
+ return error;
- error = gfs2_inplace_reserve(ip, 1);
+ error = gfs2_inplace_reserve(ip, 1, 0);
if (error)
goto do_grow_qunlock;
unstuff = 1;
}
- error = gfs2_trans_begin(sdp, RES_DINODE + RES_STATFS + RES_RG_BIT, 0);
+ error = gfs2_trans_begin(sdp, RES_DINODE + RES_STATFS + RES_RG_BIT +
+ (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF ?
+ 0 : RES_QUOTA), 0);
if (error)
goto do_grow_release;
@@ -1203,7 +1250,7 @@ static int do_grow(struct inode *inode, u64 size)
i_size_write(inode, size);
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+ gfs2_trans_add_meta(ip->i_gl, dibh);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@@ -1214,8 +1261,6 @@ do_grow_release:
gfs2_inplace_release(ip);
do_grow_qunlock:
gfs2_quota_unlock(ip);
-do_grow_alloc_put:
- gfs2_qadata_put(ip);
}
return error;
}
@@ -1243,13 +1288,26 @@ int gfs2_setattr_size(struct inode *inode, u64 newsize)
if (ret)
return ret;
+ ret = get_write_access(inode);
+ if (ret)
+ return ret;
+
inode_dio_wait(inode);
+ ret = gfs2_rs_alloc(GFS2_I(inode));
+ if (ret)
+ goto out;
+
oldsize = inode->i_size;
- if (newsize >= oldsize)
- return do_grow(inode, newsize);
+ if (newsize >= oldsize) {
+ ret = do_grow(inode, newsize);
+ goto out;
+ }
- return do_shrink(inode, oldsize, newsize);
+ ret = do_shrink(inode, oldsize, newsize);
+out:
+ put_write_access(inode);
+ return ret;
}
int gfs2_truncatei_resume(struct gfs2_inode *ip)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-17 12:20:10 +0000