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| author | Theodore Ts'o <tytso@mit.edu> | 2019-08-11 23:32:41 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2019-08-11 23:32:41 +0300 |
| commit | bb5835edcdf8bf78bbe51cff13e332c439bc0567 (patch) | |
| tree | 74e9498c0cb0f42a3158d0a892181316e5a8a243 /fs/ext4/inode.c | |
| parent | 1ad3ea6e0a694b0486eb2cbe60378ad0fbf23642 (diff) | |
| download | linux-bb5835edcdf8bf78bbe51cff13e332c439bc0567.tar.xz | |
ext4: add new ioctl EXT4_IOC_GET_ES_CACHE
For debugging reasons, it's useful to know the contents of the extent
cache. Since the extent cache contains much of what is in the fiemap
ioctl, use an fiemap-style interface to return this information.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index a6523516d681..4b92c7603907 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -527,7 +527,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode, return -EFSCORRUPTED; /* Lookup extent status tree firstly */ - if (ext4_es_lookup_extent(inode, map->m_lblk, &es)) { + if (ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es)) { if (ext4_es_is_written(&es) || ext4_es_is_unwritten(&es)) { map->m_pblk = ext4_es_pblock(&es) + map->m_lblk - es.es_lblk; @@ -695,7 +695,7 @@ found: * extent status tree. */ if ((flags & EXT4_GET_BLOCKS_PRE_IO) && - ext4_es_lookup_extent(inode, map->m_lblk, &es)) { + ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es)) { if (ext4_es_is_written(&es)) goto out_sem; } @@ -1868,7 +1868,7 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, (unsigned long) map->m_lblk); /* Lookup extent status tree firstly */ - if (ext4_es_lookup_extent(inode, iblock, &es)) { + if (ext4_es_lookup_extent(inode, iblock, NULL, &es)) { if (ext4_es_is_hole(&es)) { retval = 0; down_read(&EXT4_I(inode)->i_data_sem); |