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Diffstat (limited to 'fs/ocfs2/move_extents.c')
-rw-r--r--fs/ocfs2/move_extents.c108
1 files changed, 53 insertions, 55 deletions
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index 1565dd8e8856..ce978a2497d9 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -1,18 +1,8 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+// SPDX-License-Identifier: GPL-2.0-only
+/*
* move_extents.c
*
* Copyright (C) 2011 Oracle. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/fs.h>
#include <linux/types.h>
@@ -108,21 +98,19 @@ static int __ocfs2_move_extent(handle_t *handle,
rec = &el->l_recs[index];
- BUG_ON(ext_flags != rec->e_flags);
+ if (ext_flags != rec->e_flags) {
+ ret = ocfs2_error(inode->i_sb,
+ "Inode %llu has corrupted extent %d with flags 0x%x at cpos %u\n",
+ (unsigned long long)ino, index, rec->e_flags, cpos);
+ goto out;
+ }
+
/*
* after moving/defraging to new location, the extent is not going
* to be refcounted anymore.
*/
replace_rec.e_flags = ext_flags & ~OCFS2_EXT_REFCOUNTED;
- ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode),
- context->et.et_root_bh,
- OCFS2_JOURNAL_ACCESS_WRITE);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
-
ret = ocfs2_split_extent(handle, &context->et, path, index,
&replace_rec, context->meta_ac,
&context->dealloc);
@@ -131,8 +119,6 @@ static int __ocfs2_move_extent(handle_t *handle,
goto out;
}
- ocfs2_journal_dirty(handle, context->et.et_root_bh);
-
context->new_phys_cpos = new_p_cpos;
/*
@@ -384,7 +370,7 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
int *vict_bit,
struct buffer_head **ret_bh)
{
- int ret, i, bits_per_unit = 0;
+ int ret, i, len, bits_per_unit = 0;
u64 blkno;
char namebuf[40];
@@ -395,9 +381,9 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
struct ocfs2_dinode *ac_dinode;
struct ocfs2_group_desc *bg;
- ocfs2_sprintf_system_inode_name(namebuf, sizeof(namebuf), type, slot);
- ret = ocfs2_lookup_ino_from_name(osb->sys_root_inode, namebuf,
- strlen(namebuf), &blkno);
+ len = ocfs2_sprintf_system_inode_name(namebuf, sizeof(namebuf), type, slot);
+ ret = ocfs2_lookup_ino_from_name(osb->sys_root_inode, namebuf, len, &blkno);
+
if (ret) {
ret = -ENOENT;
goto out;
@@ -454,7 +440,7 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
bg = (struct ocfs2_group_desc *)gd_bh->b_data;
if (vict_blkno < (le64_to_cpu(bg->bg_blkno) +
- le16_to_cpu(bg->bg_bits))) {
+ (le16_to_cpu(bg->bg_bits) << bits_per_unit))) {
*ret_bh = gd_bh;
*vict_bit = (vict_blkno - blkno) >>
@@ -512,7 +498,7 @@ static int ocfs2_validate_and_adjust_move_goal(struct inode *inode,
bg = (struct ocfs2_group_desc *)gd_bh->b_data;
/*
- * moving goal is not allowd to start with a group desc blok(#0 blk)
+ * moving goal is not allowed to start with a group desc blok(#0 blk)
* let's compromise to the latter cluster.
*/
if (range->me_goal == le64_to_cpu(bg->bg_blkno))
@@ -569,6 +555,7 @@ static void ocfs2_probe_alloc_group(struct inode *inode, struct buffer_head *bh,
last_free_bits++;
if (last_free_bits == move_len) {
+ i -= move_len;
*goal_bit = i;
*phys_cpos = base_cpos + i;
break;
@@ -636,6 +623,8 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
*/
credits += OCFS2_INODE_UPDATE_CREDITS + 1;
+ inode_lock(tl_inode);
+
/*
* ocfs2_move_extent() didn't reserve any clusters in lock_allocators()
* logic, while we still need to lock the global_bitmap.
@@ -645,7 +634,7 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
if (!gb_inode) {
mlog(ML_ERROR, "unable to get global_bitmap inode\n");
ret = -EIO;
- goto out;
+ goto out_unlock_tl_inode;
}
inode_lock(gb_inode);
@@ -653,16 +642,14 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
ret = ocfs2_inode_lock(gb_inode, &gb_bh, 1);
if (ret) {
mlog_errno(ret);
- goto out_unlock_gb_mutex;
+ goto out_unlock_gb_inode;
}
- inode_lock(tl_inode);
-
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
mlog_errno(ret);
- goto out_unlock_tl_inode;
+ goto out_unlock;
}
new_phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, *new_phys_cpos);
@@ -677,7 +664,7 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
/*
* probe the victim cluster group to find a proper
- * region to fit wanted movement, it even will perfrom
+ * region to fit wanted movement, it even will perform
* a best-effort attempt by compromising to a threshold
* around the goal.
*/
@@ -704,7 +691,7 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
}
ret = ocfs2_block_group_set_bits(handle, gb_inode, gd, gd_bh,
- goal_bit, len);
+ goal_bit, len, 0, 0);
if (ret) {
ocfs2_rollback_alloc_dinode_counts(gb_inode, gb_bh, len,
le16_to_cpu(gd->bg_chain));
@@ -722,15 +709,14 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
out_commit:
ocfs2_commit_trans(osb, handle);
brelse(gd_bh);
-
-out_unlock_tl_inode:
- inode_unlock(tl_inode);
-
+out_unlock:
ocfs2_inode_unlock(gb_inode, 1);
-out_unlock_gb_mutex:
+out_unlock_gb_inode:
inode_unlock(gb_inode);
brelse(gb_bh);
iput(gb_inode);
+out_unlock_tl_inode:
+ inode_unlock(tl_inode);
out:
if (context->meta_ac) {
@@ -887,6 +873,11 @@ static int __ocfs2_move_extents_range(struct buffer_head *di_bh,
mlog_errno(ret);
goto out;
}
+ /*
+ * Invalidate extent cache after moving/defragging to prevent
+ * stale cached data with outdated extent flags.
+ */
+ ocfs2_extent_map_trunc(inode, cpos);
context->clusters_moved += alloc_size;
next:
@@ -939,7 +930,7 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context)
}
/*
- * rememer ip_xattr_sem also needs to be held if necessary
+ * remember ip_xattr_sem also needs to be held if necessary
*/
down_write(&OCFS2_I(inode)->ip_alloc_sem);
@@ -969,9 +960,9 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context)
}
di = (struct ocfs2_dinode *)di_bh->b_data;
- inode->i_ctime = current_time(inode);
- di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
- di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+ inode_set_ctime_current(inode);
+ di->i_ctime = cpu_to_le64(inode_get_ctime_sec(inode));
+ di->i_ctime_nsec = cpu_to_le32(inode_get_ctime_nsec(inode));
ocfs2_update_inode_fsync_trans(handle, inode, 0);
ocfs2_journal_dirty(handle, di_bh);
@@ -1040,18 +1031,25 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp)
context->range = &range;
+ /*
+ * ok, the default threshold for the defragmentation
+ * is 1M, since our maximum clustersize was 1M also.
+ * any thought?
+ */
+ if (!range.me_threshold)
+ range.me_threshold = 1024 * 1024;
+
+ if (range.me_threshold > i_size_read(inode))
+ range.me_threshold = i_size_read(inode);
+
+ if (range.me_flags & ~(OCFS2_MOVE_EXT_FL_AUTO_DEFRAG |
+ OCFS2_MOVE_EXT_FL_PART_DEFRAG)) {
+ status = -EINVAL;
+ goto out_free;
+ }
+
if (range.me_flags & OCFS2_MOVE_EXT_FL_AUTO_DEFRAG) {
context->auto_defrag = 1;
- /*
- * ok, the default theshold for the defragmentation
- * is 1M, since our maximum clustersize was 1M also.
- * any thought?
- */
- if (!range.me_threshold)
- range.me_threshold = 1024 * 1024;
-
- if (range.me_threshold > i_size_read(inode))
- range.me_threshold = i_size_read(inode);
if (range.me_flags & OCFS2_MOVE_EXT_FL_PART_DEFRAG)
context->partial = 1;
generated by cgit (git 2.34.1) at 2025-12-25 00:15:52 +0000