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| author | Steven Whitehouse <swhiteho@redhat.com> | 2010-08-11 09:53:11 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2010-09-20 11:18:29 +0100 |
| commit | a2e0f79939e09e74698564b88dee709db208e1e2 (patch) | |
| tree | 0018e445e3d47c4558901153733899ef672f789e /fs/gfs2/inode.h | |
| parent | ff8f33c8b30d7b7efdcf2548c7f6e64db6a89b29 (diff) | |
| download | kernel_samsung_smdk4412-a2e0f79939e09e74698564b88dee709db208e1e2.zip kernel_samsung_smdk4412-a2e0f79939e09e74698564b88dee709db208e1e2.tar.gz kernel_samsung_smdk4412-a2e0f79939e09e74698564b88dee709db208e1e2.tar.bz2 | |
GFS2: Remove i_disksize
With the update of the truncate code, ip->i_disksize and
inode->i_size are merely copies of each other. This means
we can remove ip->i_disksize and use inode->i_size exclusively
reducing the size of a GFS2 inode by 8 bytes.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/inode.h')
| -rw-r--r-- | fs/gfs2/inode.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index 300ada3..15ff4df 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -80,6 +80,19 @@ static inline void gfs2_inum_out(const struct gfs2_inode *ip, dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr); } +static inline int gfs2_check_internal_file_size(struct inode *inode, + u64 minsize, u64 maxsize) +{ + u64 size = i_size_read(inode); + if (size < minsize || size > maxsize) + goto err; + if (size & ((1 << inode->i_blkbits) - 1)) + goto err; + return 0; +err: + gfs2_consist_inode(GFS2_I(inode)); + return -EIO; +} extern void gfs2_set_iop(struct inode *inode); extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, |