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authorAndreas Gruenbacher <agruenba@redhat.com>2017-11-14 16:53:12 +0100
committerBob Peterson <rpeterso@redhat.com>2018-01-18 14:18:53 -0700
commit235628c5c76040b0ec206ea9ab9e017771e0d78e (patch)
treeab8a3c322a8d59ab5814a14d61f9cf6050d0d0d7 /fs/gfs2/bmap.c
parent9db115a0e3d3814e41eb703082b83a261d81736c (diff)
gfs2: Add gfs2_max_stuffed_size
Add a small inline function for computing the maximum size of a stuffed inode instead of open coding that in several places throughout the code. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2/bmap.c')
-rw-r--r--fs/gfs2/bmap.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 2ec11981e694..86863792f36a 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -69,8 +69,8 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
void *kaddr = kmap(page);
u64 dsize = i_size_read(inode);
- if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
- dsize = dibh->b_size - sizeof(struct gfs2_dinode);
+ if (dsize > gfs2_max_stuffed_size(ip))
+ dsize = gfs2_max_stuffed_size(ip);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
@@ -1692,8 +1692,7 @@ static int do_grow(struct inode *inode, u64 size)
int error;
int unstuff = 0;
- if (gfs2_is_stuffed(ip) &&
- (size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) {
+ if (gfs2_is_stuffed(ip) && size > gfs2_max_stuffed_size(ip)) {
error = gfs2_quota_lock_check(ip, &ap);
if (error)
return error;
@@ -1928,8 +1927,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
return 0;
if (gfs2_is_stuffed(ip)) {
- if (offset + len >
- sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode))
+ if (offset + len > gfs2_max_stuffed_size(ip))
return 1;
return 0;
}