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path: root/fs/ext4/extents.c
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Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c42
1 files changed, 25 insertions, 17 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 92ad64b89d9b..c0de30f25185 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -139,7 +139,8 @@ static int ext4_ext_get_access(handle_t *handle, struct inode *inode,
if (path->p_bh) {
/* path points to block */
BUFFER_TRACE(path->p_bh, "get_write_access");
- return ext4_journal_get_write_access(handle, path->p_bh);
+ return ext4_journal_get_write_access(handle, inode->i_sb,
+ path->p_bh, EXT4_JTR_NONE);
}
/* path points to leaf/index in inode body */
/* we use in-core data, no need to protect them */
@@ -1082,7 +1083,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
}
lock_buffer(bh);
- err = ext4_journal_get_create_access(handle, bh);
+ err = ext4_journal_get_create_access(handle, inode->i_sb, bh,
+ EXT4_JTR_NONE);
if (err)
goto cleanup;
@@ -1160,7 +1162,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
}
lock_buffer(bh);
- err = ext4_journal_get_create_access(handle, bh);
+ err = ext4_journal_get_create_access(handle, inode->i_sb, bh,
+ EXT4_JTR_NONE);
if (err)
goto cleanup;
@@ -1286,7 +1289,8 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
return -ENOMEM;
lock_buffer(bh);
- err = ext4_journal_get_create_access(handle, bh);
+ err = ext4_journal_get_create_access(handle, inode->i_sb, bh,
+ EXT4_JTR_NONE);
if (err) {
unlock_buffer(bh);
goto out;
@@ -3569,7 +3573,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
split_map.m_len - ee_block);
err = ext4_ext_zeroout(inode, &zero_ex1);
if (err)
- goto out;
+ goto fallback;
split_map.m_len = allocated;
}
if (split_map.m_lblk - ee_block + split_map.m_len <
@@ -3583,7 +3587,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
ext4_ext_pblock(ex));
err = ext4_ext_zeroout(inode, &zero_ex2);
if (err)
- goto out;
+ goto fallback;
}
split_map.m_len += split_map.m_lblk - ee_block;
@@ -3592,6 +3596,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
}
}
+fallback:
err = ext4_split_extent(handle, inode, ppath, &split_map, split_flag,
flags);
if (err > 0)
@@ -4474,6 +4479,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
loff_t len, int mode)
{
struct inode *inode = file_inode(file);
+ struct address_space *mapping = file->f_mapping;
handle_t *handle = NULL;
unsigned int max_blocks;
loff_t new_size = 0;
@@ -4560,17 +4566,17 @@ static long ext4_zero_range(struct file *file, loff_t offset,
* Prevent page faults from reinstantiating pages we have
* released from page cache.
*/
- down_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_lock(mapping);
ret = ext4_break_layouts(inode);
if (ret) {
- up_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_unlock(mapping);
goto out_mutex;
}
ret = ext4_update_disksize_before_punch(inode, offset, len);
if (ret) {
- up_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_unlock(mapping);
goto out_mutex;
}
/* Now release the pages and zero block aligned part of pages */
@@ -4579,7 +4585,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
flags);
- up_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_unlock(mapping);
if (ret)
goto out_mutex;
}
@@ -5221,6 +5227,7 @@ out:
static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
{
struct super_block *sb = inode->i_sb;
+ struct address_space *mapping = inode->i_mapping;
ext4_lblk_t punch_start, punch_stop;
handle_t *handle;
unsigned int credits;
@@ -5274,7 +5281,7 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
* Prevent page faults from reinstantiating pages we have released from
* page cache.
*/
- down_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_lock(mapping);
ret = ext4_break_layouts(inode);
if (ret)
@@ -5289,15 +5296,15 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
* Write tail of the last page before removed range since it will get
* removed from the page cache below.
*/
- ret = filemap_write_and_wait_range(inode->i_mapping, ioffset, offset);
+ ret = filemap_write_and_wait_range(mapping, ioffset, offset);
if (ret)
goto out_mmap;
/*
* Write data that will be shifted to preserve them when discarding
* page cache below. We are also protected from pages becoming dirty
- * by i_mmap_sem.
+ * by i_rwsem and invalidate_lock.
*/
- ret = filemap_write_and_wait_range(inode->i_mapping, offset + len,
+ ret = filemap_write_and_wait_range(mapping, offset + len,
LLONG_MAX);
if (ret)
goto out_mmap;
@@ -5350,7 +5357,7 @@ out_stop:
ext4_journal_stop(handle);
ext4_fc_stop_ineligible(sb);
out_mmap:
- up_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_unlock(mapping);
out_mutex:
inode_unlock(inode);
return ret;
@@ -5367,6 +5374,7 @@ out_mutex:
static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
{
struct super_block *sb = inode->i_sb;
+ struct address_space *mapping = inode->i_mapping;
handle_t *handle;
struct ext4_ext_path *path;
struct ext4_extent *extent;
@@ -5425,7 +5433,7 @@ static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
* Prevent page faults from reinstantiating pages we have released from
* page cache.
*/
- down_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_lock(mapping);
ret = ext4_break_layouts(inode);
if (ret)
@@ -5526,7 +5534,7 @@ out_stop:
ext4_journal_stop(handle);
ext4_fc_stop_ineligible(sb);
out_mmap:
- up_write(&EXT4_I(inode)->i_mmap_sem);
+ filemap_invalidate_unlock(mapping);
out_mutex:
inode_unlock(inode);
return ret;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 11:04:26 +0000