From: Zheng Liu <wenqing.lz@xxxxxxxxxx> After supporing punching hole feature in block-based file, we should enable it in fallocate. So some check statements need to adjust. Now we check FALLOC_FL_PUNCH_HOLE flag firstly in ext4_fallocate. CC: Lukas Czerner <lczerner@xxxxxxxxxx> Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx> --- fs/ext4/extents.c | 15 ++++++++------- 1 files changed, 8 insertions(+), 7 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index ad9e7e3..c592921 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4358,20 +4358,21 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) struct ext4_map_blocks map; unsigned int credits, blkbits = inode->i_blkbits; - /* - * currently supporting (pre)allocate mode for extent-based - * files _only_ - */ - if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) - return -EOPNOTSUPP; - /* Return error if mode is not supported */ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) return -EOPNOTSUPP; + /* We fully support punch hole */ if (mode & FALLOC_FL_PUNCH_HOLE) return ext4_punch_hole(file, offset, len); + /* + * currently supporting (pre)allocate mode for extent-based + * files _only_ + */ + if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) + return -EOPNOTSUPP; + trace_ext4_fallocate_enter(inode, offset, len, mode); map.m_lblk = offset >> blkbits; /* -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
