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path: root/fs/ext4/ialloc.c
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Diffstat (limited to 'fs/ext4/ialloc.c')
-rw-r--r--fs/ext4/ialloc.c65
1 files changed, 32 insertions, 33 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index e9bbb1da2d0a..79aa3df8d019 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -87,10 +87,10 @@ static int ext4_validate_inode_bitmap(struct super_block *sb,
if (EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY)
return 0;
- grp = ext4_get_group_info(sb, block_group);
-
if (buffer_verified(bh))
return 0;
+
+ grp = ext4_get_group_info(sb, block_group);
if (!grp || EXT4_MB_GRP_IBITMAP_CORRUPT(grp))
return -EFSCORRUPTED;
@@ -98,8 +98,7 @@ static int ext4_validate_inode_bitmap(struct super_block *sb,
if (buffer_verified(bh))
goto verified;
blk = ext4_inode_bitmap(sb, desc);
- if (!ext4_inode_bitmap_csum_verify(sb, desc, bh,
- EXT4_INODES_PER_GROUP(sb) / 8) ||
+ if (!ext4_inode_bitmap_csum_verify(sb, desc, bh) ||
ext4_simulate_fail(sb, EXT4_SIM_IBITMAP_CRC)) {
ext4_unlock_group(sb, block_group);
ext4_error(sb, "Corrupt inode bitmap - block_group = %u, "
@@ -194,8 +193,9 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
* submit the buffer_head for reading
*/
trace_ext4_load_inode_bitmap(sb, block_group);
- ext4_read_bh(bh, REQ_META | REQ_PRIO, ext4_end_bitmap_read);
- ext4_simulate_fail_bh(sb, bh, EXT4_SIM_IBITMAP_EIO);
+ ext4_read_bh(bh, REQ_META | REQ_PRIO,
+ ext4_end_bitmap_read,
+ ext4_simulate_fail(sb, EXT4_SIM_IBITMAP_EIO));
if (!buffer_uptodate(bh)) {
put_bh(bh);
ext4_error_err(sb, EIO, "Cannot read inode bitmap - "
@@ -327,8 +327,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
if (percpu_counter_initialized(&sbi->s_dirs_counter))
percpu_counter_dec(&sbi->s_dirs_counter);
}
- ext4_inode_bitmap_csum_set(sb, gdp, bitmap_bh,
- EXT4_INODES_PER_GROUP(sb) / 8);
+ ext4_inode_bitmap_csum_set(sb, gdp, bitmap_bh);
ext4_group_desc_csum_set(sb, block_group, gdp);
ext4_unlock_group(sb, block_group);
@@ -514,6 +513,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent,
if (min_inodes < 1)
min_inodes = 1;
min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4;
+ if (min_clusters < 0)
+ min_clusters = 0;
/*
* Start looking in the flex group where we last allocated an
@@ -690,7 +691,8 @@ static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
if (!bh || !buffer_uptodate(bh))
/*
* If the block is not in the buffer cache, then it
- * must have been written out.
+ * must have been written out, or, most unlikely, is
+ * being migrated - false failure should be OK here.
*/
goto out;
@@ -755,10 +757,10 @@ int ext4_mark_inode_used(struct super_block *sb, int ino)
struct ext4_group_desc *gdp;
ext4_group_t group;
int bit;
- int err = -EFSCORRUPTED;
+ int err;
if (ino < EXT4_FIRST_INO(sb) || ino > max_ino)
- goto out;
+ return -EFSCORRUPTED;
group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb);
@@ -772,7 +774,7 @@ int ext4_mark_inode_used(struct super_block *sb, int ino)
}
gdp = ext4_get_group_desc(sb, group, &group_desc_bh);
- if (!gdp || !group_desc_bh) {
+ if (!gdp) {
err = -EINVAL;
goto out;
}
@@ -851,8 +853,7 @@ int ext4_mark_inode_used(struct super_block *sb, int ino)
ext4_free_inodes_set(sb, gdp, ext4_free_inodes_count(sb, gdp) - 1);
if (ext4_has_group_desc_csum(sb)) {
- ext4_inode_bitmap_csum_set(sb, gdp, inode_bitmap_bh,
- EXT4_INODES_PER_GROUP(sb) / 8);
+ ext4_inode_bitmap_csum_set(sb, gdp, inode_bitmap_bh);
ext4_group_desc_csum_set(sb, group, gdp);
}
@@ -860,6 +861,7 @@ int ext4_mark_inode_used(struct super_block *sb, int ino)
err = ext4_handle_dirty_metadata(NULL, NULL, group_desc_bh);
sync_dirty_buffer(group_desc_bh);
out:
+ brelse(inode_bitmap_bh);
return err;
}
@@ -950,8 +952,9 @@ struct inode *__ext4_new_inode(struct mnt_idmap *idmap,
sb = dir->i_sb;
sbi = EXT4_SB(sb);
- if (unlikely(ext4_forced_shutdown(sb)))
- return ERR_PTR(-EIO);
+ ret2 = ext4_emergency_state(sb);
+ if (unlikely(ret2))
+ return ERR_PTR(ret2);
ngroups = ext4_get_groups_count(sb);
trace_ext4_request_inode(dir, mode);
@@ -1053,14 +1056,14 @@ got_group:
brelse(inode_bitmap_bh);
inode_bitmap_bh = ext4_read_inode_bitmap(sb, group);
/* Skip groups with suspicious inode tables */
- if (((!(sbi->s_mount_state & EXT4_FC_REPLAY))
- && EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) ||
- IS_ERR(inode_bitmap_bh)) {
+ if (IS_ERR(inode_bitmap_bh)) {
inode_bitmap_bh = NULL;
goto next_group;
}
+ if (!(sbi->s_mount_state & EXT4_FC_REPLAY) &&
+ EXT4_MB_GRP_IBITMAP_CORRUPT(grp))
+ goto next_group;
-repeat_in_this_group:
ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino);
if (!ret2)
goto next_group;
@@ -1110,8 +1113,6 @@ repeat_in_this_group:
if (!ret2)
goto got; /* we grabbed the inode! */
- if (ino < EXT4_INODES_PER_GROUP(sb))
- goto repeat_in_this_group;
next_group:
if (++group == ngroups)
group = 0;
@@ -1224,8 +1225,7 @@ got:
}
}
if (ext4_has_group_desc_csum(sb)) {
- ext4_inode_bitmap_csum_set(sb, gdp, inode_bitmap_bh,
- EXT4_INODES_PER_GROUP(sb) / 8);
+ ext4_inode_bitmap_csum_set(sb, gdp, inode_bitmap_bh);
ext4_group_desc_csum_set(sb, group, gdp);
}
ext4_unlock_group(sb, group);
@@ -1284,14 +1284,13 @@ got:
inode->i_generation = get_random_u32();
/* Precompute checksum seed for inode metadata */
- if (ext4_has_metadata_csum(sb)) {
+ if (ext4_has_feature_metadata_csum(sb)) {
__u32 csum;
__le32 inum = cpu_to_le32(inode->i_ino);
__le32 gen = cpu_to_le32(inode->i_generation);
- csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&inum,
+ csum = ext4_chksum(sbi->s_csum_seed, (__u8 *)&inum,
sizeof(inum));
- ei->i_csum_seed = ext4_chksum(sbi, csum, (__u8 *)&gen,
- sizeof(gen));
+ ei->i_csum_seed = ext4_chksum(csum, (__u8 *)&gen, sizeof(gen));
}
ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */
@@ -1300,7 +1299,7 @@ got:
ei->i_extra_isize = sbi->s_want_extra_isize;
ei->i_inline_off = 0;
if (ext4_has_feature_inline_data(sb) &&
- (!(ei->i_flags & EXT4_DAX_FL) || S_ISDIR(mode)))
+ (!(ei->i_flags & (EXT4_DAX_FL|EXT4_EA_INODE_FL)) || S_ISDIR(mode)))
ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
ret = inode;
err = dquot_alloc_inode(inode);
@@ -1336,10 +1335,10 @@ got:
}
}
- if (ext4_handle_valid(handle)) {
- ei->i_sync_tid = handle->h_transaction->t_tid;
- ei->i_datasync_tid = handle->h_transaction->t_tid;
- }
+ if (ext4_should_enable_large_folio(inode))
+ mapping_set_large_folios(inode->i_mapping);
+
+ ext4_update_inode_fsync_trans(handle, inode, 1);
err = ext4_mark_inode_dirty(handle, inode);
if (err) {