From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/fs/ext4/inline.c | 126 +++++++++++++++--------------------------
1 files changed, 47 insertions(+), 79 deletions(-)
diff --git a/kernel/fs/ext4/inline.c b/kernel/fs/ext4/inline.c
index 57b17a7..e0c639b 100644
--- a/kernel/fs/ext4/inline.c
+++ b/kernel/fs/ext4/inline.c
@@ -35,6 +35,9 @@
struct ext4_inode *raw_inode;
int free, min_offs;
+ if (!EXT4_INODE_HAS_XATTR_SPACE(inode))
+ return 0;
+
min_offs = EXT4_SB(inode->i_sb)->s_inode_size -
EXT4_GOOD_OLD_INODE_SIZE -
EXT4_I(inode)->i_extra_isize -
@@ -99,9 +102,9 @@
error = ext4_get_inode_loc(inode, &iloc);
if (error) {
- ext4_error_inode(inode, __func__, __LINE__, 0,
- "can't get inode location %lu",
- inode->i_ino);
+ ext4_error_inode_err(inode, __func__, __LINE__, 0, -error,
+ "can't get inode location %lu",
+ inode->i_ino);
return 0;
}
@@ -277,7 +280,7 @@
len = 0;
}
- /* Insert the the xttr entry. */
+ /* Insert the xttr entry. */
i.value = value;
i.value_len = len;
@@ -355,7 +358,7 @@
if (error)
goto out;
- /* Update the xttr entry. */
+ /* Update the xattr entry. */
i.value = value;
i.value_len = len;
@@ -747,18 +750,13 @@
void *kaddr;
struct ext4_iloc iloc;
- if (unlikely(copied < len)) {
- if (!PageUptodate(page)) {
- copied = 0;
- goto out;
- }
- }
+ if (unlikely(copied < len) && !PageUptodate(page))
+ return 0;
ret = ext4_get_inode_loc(inode, &iloc);
if (ret) {
ext4_std_error(inode->i_sb, ret);
- copied = 0;
- goto out;
+ return ret;
}
ext4_write_lock_xattr(inode, &no_expand);
@@ -771,7 +769,7 @@
(void) ext4_find_inline_data_nolock(inode);
kaddr = kmap_atomic(page);
- ext4_write_inline_data(inode, &iloc, kaddr, pos, len);
+ ext4_write_inline_data(inode, &iloc, kaddr, pos, copied);
kunmap_atomic(kaddr);
SetPageUptodate(page);
/* clear page dirty so that writepages wouldn't work for us. */
@@ -780,7 +778,7 @@
ext4_write_unlock_xattr(inode, &no_expand);
brelse(iloc.bh);
mark_inode_dirty(inode);
-out:
+
return copied;
}
@@ -869,7 +867,7 @@
/*
* Prepare the write for the inline data.
- * If the the data can be written into the inode, we just read
+ * If the data can be written into the inode, we just read
* the page and make it uptodate, and start the journal.
* Otherwise read the page, makes it dirty so that it can be
* handle in writepages(the i_disksize update is left to the
@@ -1160,7 +1158,6 @@
{
int err, csum_size = 0, header_size = 0;
struct ext4_dir_entry_2 *de;
- struct ext4_dir_entry_tail *t;
void *target = dir_block->b_data;
/*
@@ -1186,13 +1183,11 @@
inline_size - EXT4_INLINE_DOTDOT_SIZE + header_size,
inode->i_sb->s_blocksize - csum_size);
- if (csum_size) {
- t = EXT4_DIRENT_TAIL(dir_block->b_data,
- inode->i_sb->s_blocksize);
- initialize_dirent_tail(t, inode->i_sb->s_blocksize);
- }
+ if (csum_size)
+ ext4_initialize_dirent_tail(dir_block,
+ inode->i_sb->s_blocksize);
set_buffer_uptodate(dir_block);
- err = ext4_handle_dirty_dirent_node(handle, inode, dir_block);
+ err = ext4_handle_dirty_dirblock(handle, inode, dir_block);
if (err)
return err;
set_buffer_verified(dir_block);
@@ -1291,7 +1286,7 @@
int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname,
struct inode *dir, struct inode *inode)
{
- int ret, inline_size, no_expand;
+ int ret, ret2, inline_size, no_expand;
void *inline_start;
struct ext4_iloc iloc;
@@ -1345,7 +1340,9 @@
out:
ext4_write_unlock_xattr(dir, &no_expand);
- ext4_mark_inode_dirty(handle, dir);
+ ret2 = ext4_mark_inode_dirty(handle, dir);
+ if (unlikely(ret2 && !ret))
+ ret = ret2;
brelse(iloc.bh);
return ret;
}
@@ -1355,11 +1352,11 @@
* inlined dir. It returns the number directory entries loaded
* into the tree. If there is an error it is returned in err.
*/
-int htree_inlinedir_to_tree(struct file *dir_file,
- struct inode *dir, ext4_lblk_t block,
- struct dx_hash_info *hinfo,
- __u32 start_hash, __u32 start_minor_hash,
- int *has_inline_data)
+int ext4_inlinedir_to_tree(struct file *dir_file,
+ struct inode *dir, ext4_lblk_t block,
+ struct dx_hash_info *hinfo,
+ __u32 start_hash, __u32 start_minor_hash,
+ int *has_inline_data)
{
int err = 0, count = 0;
unsigned int parent_ino;
@@ -1740,7 +1737,7 @@
if (err)
goto out;
- err = ext4_generic_delete_entry(handle, dir, de_del, 0, bh,
+ err = ext4_generic_delete_entry(dir, de_del, 0, bh,
inline_start, inline_size, 0);
if (err)
goto out;
@@ -1793,18 +1790,20 @@
void *inline_pos;
unsigned int offset;
struct ext4_dir_entry_2 *de;
- bool ret = true;
+ bool ret = false;
err = ext4_get_inode_loc(dir, &iloc);
if (err) {
- EXT4_ERROR_INODE(dir, "error %d getting inode %lu block",
- err, dir->i_ino);
- return true;
+ EXT4_ERROR_INODE_ERR(dir, -err,
+ "error %d getting inode %lu block",
+ err, dir->i_ino);
+ return false;
}
down_read(&EXT4_I(dir)->xattr_sem);
if (!ext4_has_inline_data(dir)) {
*has_inline_data = 0;
+ ret = true;
goto out;
}
@@ -1813,7 +1812,6 @@
ext4_warning(dir->i_sb,
"bad inline directory (dir #%lu) - no `..'",
dir->i_ino);
- ret = true;
goto out;
}
@@ -1832,16 +1830,15 @@
dir->i_ino, le32_to_cpu(de->inode),
le16_to_cpu(de->rec_len), de->name_len,
inline_size);
- ret = true;
goto out;
}
if (le32_to_cpu(de->inode)) {
- ret = false;
goto out;
}
offset += ext4_rec_len_from_disk(de->rec_len, inline_size);
}
+ ret = true;
out:
up_read(&EXT4_I(dir)->xattr_sem);
brelse(iloc.bh);
@@ -1889,47 +1886,6 @@
out:
up_read(&EXT4_I(inode)->xattr_sem);
return error;
-}
-
-int ext4_inline_data_fiemap(struct inode *inode,
- struct fiemap_extent_info *fieinfo,
- int *has_inline, __u64 start, __u64 len)
-{
- __u64 physical = 0;
- __u64 inline_len;
- __u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED |
- FIEMAP_EXTENT_LAST;
- int error = 0;
- struct ext4_iloc iloc;
-
- down_read(&EXT4_I(inode)->xattr_sem);
- if (!ext4_has_inline_data(inode)) {
- *has_inline = 0;
- goto out;
- }
- inline_len = min_t(size_t, ext4_get_inline_size(inode),
- i_size_read(inode));
- if (start >= inline_len)
- goto out;
- if (start + len < inline_len)
- inline_len = start + len;
- inline_len -= start;
-
- error = ext4_get_inode_loc(inode, &iloc);
- if (error)
- goto out;
-
- physical = (__u64)iloc.bh->b_blocknr << inode->i_sb->s_blocksize_bits;
- physical += (char *)ext4_raw_inode(&iloc) - iloc.bh->b_data;
- physical += offsetof(struct ext4_inode, i_block);
-
- brelse(iloc.bh);
-out:
- up_read(&EXT4_I(inode)->xattr_sem);
- if (physical)
- error = fiemap_fill_next_extent(fieinfo, start, physical,
- inline_len, flags);
- return (error < 0 ? error : 0);
}
int ext4_inline_data_truncate(struct inode *inode, int *has_inline)
@@ -2040,6 +1996,18 @@
if (!ext4_has_inline_data(inode)) {
ext4_clear_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
return 0;
+ } else if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
+ /*
+ * Inode has inline data but EXT4_STATE_MAY_INLINE_DATA is
+ * cleared. This means we are in the middle of moving of
+ * inline data to delay allocated block. Just force writeout
+ * here to finish conversion.
+ */
+ error = filemap_flush(inode->i_mapping);
+ if (error)
+ return error;
+ if (!ext4_has_inline_data(inode))
+ return 0;
}
needed_blocks = ext4_writepage_trans_blocks(inode);
--
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