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| author |   Mark Brown <broonie@kernel.org> | 2017-11-28 16:19:52 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-11-28 16:19:52 +0000 |
| commit | 69830d3909849dee33b9a2de88ece3d59c75a1b8 (patch) | |
| tree | 67e22ac989e782ddc104f186dee54d1675e76923 /fs/ext4/inline.c | |
| parent | ASoC: rk3399_gru_sound: Map BTN_0 to KEY_PLAYPAUSE (diff) | |
| parent | ASoC: add snd_soc_disconnect_sync() (diff) | |
| download | linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.tar.xz linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.zip | |
Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar
Diffstat (limited to 'fs/ext4/inline.c')
| -rw-r--r-- | fs/ext4/inline.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 28c5c3abddb3..1367553c43bb 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -12,6 +12,7 @@ * GNU General Public License for more details. */ +#include <linux/iomap.h> #include <linux/fiemap.h> #include "ext4_jbd2.h" @@ -302,11 +303,6 @@ static int ext4_create_inline_data(handle_t *handle, EXT4_I(inode)->i_inline_size = len + EXT4_MIN_INLINE_DATA_SIZE; ext4_clear_inode_flag(inode, EXT4_INODE_EXTENTS); ext4_set_inode_flag(inode, EXT4_INODE_INLINE_DATA); - /* - * Propagate changes to inode->i_flags as well - e.g. S_DAX may - * get cleared - */ - ext4_set_inode_flags(inode); get_bh(is.iloc.bh); error = ext4_mark_iloc_dirty(handle, inode, &is.iloc); @@ -451,11 +447,6 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle, } } ext4_clear_inode_flag(inode, EXT4_INODE_INLINE_DATA); - /* - * Propagate changes to inode->i_flags as well - e.g. S_DAX may - * get set. - */ - ext4_set_inode_flags(inode); get_bh(is.iloc.bh); error = ext4_mark_iloc_dirty(handle, inode, &is.iloc); @@ -1827,6 +1818,38 @@ int ext4_destroy_inline_data(handle_t *handle, struct inode *inode) return ret; } +int ext4_inline_data_iomap(struct inode *inode, struct iomap *iomap) +{ + __u64 addr; + int error = -EAGAIN; + struct ext4_iloc iloc; + + down_read(&EXT4_I(inode)->xattr_sem); + if (!ext4_has_inline_data(inode)) + goto out; + + error = ext4_get_inode_loc(inode, &iloc); + if (error) + goto out; + + addr = (__u64)iloc.bh->b_blocknr << inode->i_sb->s_blocksize_bits; + addr += (char *)ext4_raw_inode(&iloc) - iloc.bh->b_data; + addr += offsetof(struct ext4_inode, i_block); + + brelse(iloc.bh); + + iomap->addr = addr; + iomap->offset = 0; + iomap->length = min_t(loff_t, ext4_get_inline_size(inode), + i_size_read(inode)); + iomap->type = 0; + iomap->flags = IOMAP_F_DATA_INLINE; + +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) |