diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-04-06 00:53:29 +0300 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2016-04-06 00:53:29 +0300 |
| commit | 30ee052e12b97c190b27fe6f20e3ac3047df7b5c (patch) | |
| tree | 92b34446e88e72e6ddce730b1f1b4192614a45be /fs/xfs/xfs_inode_item.c | |
| parent | bfe8804d908a791b16e3686c101f0d7eca9fb5b9 (diff) | |
| download | linux-30ee052e12b97c190b27fe6f20e3ac3047df7b5c.tar.xz | |
xfs: optimize inline symlinks
By overallocating the in-core inode fork data buffer and zero
terminating the link target in xfs_init_local_fork we can avoid
the memory allocation in ->follow_link.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_inode_item.c')
| -rw-r--r-- | fs/xfs/xfs_inode_item.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index c48b5b18d771..37e23c7a5684 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -210,7 +210,7 @@ xfs_inode_item_format_data_fork( */ data_bytes = roundup(ip->i_df.if_bytes, 4); ASSERT(ip->i_df.if_real_bytes == 0 || - ip->i_df.if_real_bytes == data_bytes); + ip->i_df.if_real_bytes >= data_bytes); ASSERT(ip->i_df.if_u1.if_data != NULL); ASSERT(ip->i_d.di_size > 0); xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_ILOCAL, @@ -305,7 +305,7 @@ xfs_inode_item_format_attr_fork( */ data_bytes = roundup(ip->i_afp->if_bytes, 4); ASSERT(ip->i_afp->if_real_bytes == 0 || - ip->i_afp->if_real_bytes == data_bytes); + ip->i_afp->if_real_bytes >= data_bytes); ASSERT(ip->i_afp->if_u1.if_data != NULL); xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_LOCAL, ip->i_afp->if_u1.if_data, |