Update Linux to v5.4.148
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz
Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 764ff4c..83846cc 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -265,13 +265,8 @@
ext4_debug("freeing inode %lu\n", ino);
trace_ext4_free_inode(inode);
- /*
- * Note: we must free any quota before locking the superblock,
- * as writing the quota to disk may need the lock as well.
- */
dquot_initialize(inode);
dquot_free_inode(inode);
- dquot_drop(inode);
is_directory = S_ISDIR(inode->i_mode);
@@ -330,11 +325,13 @@
percpu_counter_inc(&sbi->s_freeinodes_counter);
if (sbi->s_log_groups_per_flex) {
- ext4_group_t f = ext4_flex_group(sbi, block_group);
+ struct flex_groups *fg;
- atomic_inc(&sbi->s_flex_groups[f].free_inodes);
+ fg = sbi_array_rcu_deref(sbi, s_flex_groups,
+ ext4_flex_group(sbi, block_group));
+ atomic_inc(&fg->free_inodes);
if (is_directory)
- atomic_dec(&sbi->s_flex_groups[f].used_dirs);
+ atomic_dec(&fg->used_dirs);
}
BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
fatal = ext4_handle_dirty_metadata(handle, NULL, bh2);
@@ -370,12 +367,13 @@
int flex_size, struct orlov_stats *stats)
{
struct ext4_group_desc *desc;
- struct flex_groups *flex_group = EXT4_SB(sb)->s_flex_groups;
if (flex_size > 1) {
- stats->free_inodes = atomic_read(&flex_group[g].free_inodes);
- stats->free_clusters = atomic64_read(&flex_group[g].free_clusters);
- stats->used_dirs = atomic_read(&flex_group[g].used_dirs);
+ struct flex_groups *fg = sbi_array_rcu_deref(EXT4_SB(sb),
+ s_flex_groups, g);
+ stats->free_inodes = atomic_read(&fg->free_inodes);
+ stats->free_clusters = atomic64_read(&fg->free_clusters);
+ stats->used_dirs = atomic_read(&fg->used_dirs);
return;
}
@@ -396,7 +394,7 @@
*
* We always try to spread first-level directories.
*
- * If there are blockgroups with both free inodes and free blocks counts
+ * If there are blockgroups with both free inodes and free clusters counts
* not worse than average we return one with smallest directory count.
* Otherwise we simply return a random group.
*
@@ -405,7 +403,7 @@
* It's OK to put directory into a group unless
* it has too many directories already (max_dirs) or
* it has too few free inodes left (min_inodes) or
- * it has too few free blocks left (min_blocks) or
+ * it has too few free clusters left (min_clusters) or
* Parent's group is preferred, if it doesn't satisfy these
* conditions we search cyclically through the rest. If none
* of the groups look good we just look for a group with more
@@ -421,7 +419,7 @@
ext4_group_t real_ngroups = ext4_get_groups_count(sb);
int inodes_per_group = EXT4_INODES_PER_GROUP(sb);
unsigned int freei, avefreei, grp_free;
- ext4_fsblk_t freeb, avefreec;
+ ext4_fsblk_t freec, avefreec;
unsigned int ndirs;
int max_dirs, min_inodes;
ext4_grpblk_t min_clusters;
@@ -440,9 +438,8 @@
freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter);
avefreei = freei / ngroups;
- freeb = EXT4_C2B(sbi,
- percpu_counter_read_positive(&sbi->s_freeclusters_counter));
- avefreec = freeb;
+ freec = percpu_counter_read_positive(&sbi->s_freeclusters_counter);
+ avefreec = freec;
do_div(avefreec, ngroups);
ndirs = percpu_counter_read_positive(&sbi->s_dirs_counter);
@@ -662,7 +659,7 @@
* block has been written back to disk. (Yes, these values are
* somewhat arbitrary...)
*/
-#define RECENTCY_MIN 5
+#define RECENTCY_MIN 60
#define RECENTCY_DIRTY 300
static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
@@ -1056,7 +1053,8 @@
if (sbi->s_log_groups_per_flex) {
ext4_group_t f = ext4_flex_group(sbi, group);
- atomic_inc(&sbi->s_flex_groups[f].used_dirs);
+ atomic_inc(&sbi_array_rcu_deref(sbi, s_flex_groups,
+ f)->used_dirs);
}
}
if (ext4_has_group_desc_csum(sb)) {
@@ -1079,7 +1077,8 @@
if (sbi->s_log_groups_per_flex) {
flex_group = ext4_flex_group(sbi, group);
- atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes);
+ atomic_dec(&sbi_array_rcu_deref(sbi, s_flex_groups,
+ flex_group)->free_inodes);
}
inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);
@@ -1353,6 +1352,7 @@
handle_t *handle;
ext4_fsblk_t blk;
int num, ret = 0, used_blks = 0;
+ unsigned long used_inos = 0;
/* This should not happen, but just to be sure check this */
if (sb_rdonly(sb)) {
@@ -1383,22 +1383,37 @@
* used inodes so we need to skip blocks with used inodes in
* inode table.
*/
- if (!(gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT)))
- used_blks = DIV_ROUND_UP((EXT4_INODES_PER_GROUP(sb) -
- ext4_itable_unused_count(sb, gdp)),
- sbi->s_inodes_per_block);
+ if (!(gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT))) {
+ used_inos = EXT4_INODES_PER_GROUP(sb) -
+ ext4_itable_unused_count(sb, gdp);
+ used_blks = DIV_ROUND_UP(used_inos, sbi->s_inodes_per_block);
- if ((used_blks < 0) || (used_blks > sbi->s_itb_per_group) ||
- ((group == 0) && ((EXT4_INODES_PER_GROUP(sb) -
- ext4_itable_unused_count(sb, gdp)) <
- EXT4_FIRST_INO(sb)))) {
- ext4_error(sb, "Something is wrong with group %u: "
- "used itable blocks: %d; "
- "itable unused count: %u",
- group, used_blks,
- ext4_itable_unused_count(sb, gdp));
- ret = 1;
- goto err_out;
+ /* Bogus inode unused count? */
+ if (used_blks < 0 || used_blks > sbi->s_itb_per_group) {
+ ext4_error(sb, "Something is wrong with group %u: "
+ "used itable blocks: %d; "
+ "itable unused count: %u",
+ group, used_blks,
+ ext4_itable_unused_count(sb, gdp));
+ ret = 1;
+ goto err_out;
+ }
+
+ used_inos += group * EXT4_INODES_PER_GROUP(sb);
+ /*
+ * Are there some uninitialized inodes in the inode table
+ * before the first normal inode?
+ */
+ if ((used_blks != sbi->s_itb_per_group) &&
+ (used_inos < EXT4_FIRST_INO(sb))) {
+ ext4_error(sb, "Something is wrong with group %u: "
+ "itable unused count: %u; "
+ "itables initialized count: %ld",
+ group, ext4_itable_unused_count(sb, gdp),
+ used_inos);
+ ret = 1;
+ goto err_out;
+ }
}
blk = ext4_inode_table(sb, gdp) + used_blks;