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authorChristoph Hellwig <hch@tuxera.com>2010-11-23 14:38:13 +0100
committerChristoph Hellwig <hch@lst.de>2010-11-23 14:38:13 +0100
commitb33b7921db14abcd10c30d0ccfc68e364f5ef7fe (patch)
tree208810679b25995ba47f00bb1915a19f644931f5 /fs/hfsplus/extents.c
parenteb29d66d4f2dc98a81ae590bbdddc8cfa8964d73 (diff)
hfsplus: split up inode flags
Split the flags field in the hfsplus inode into an extent_state flag that is locked by the extent_lock, and a new flags field that uses atomic bitops. The second will grow more flags in the next patch. Signed-off-by: Christoph Hellwig <hch@tuxera.com>
Diffstat (limited to 'fs/hfsplus/extents.c')
-rw-r--r--fs/hfsplus/extents.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 0c9cb1820a5..06b4fc3151a 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -95,24 +95,24 @@ static void __hfsplus_ext_write_extent(struct inode *inode, struct hfs_find_data
HFSPLUS_TYPE_RSRC : HFSPLUS_TYPE_DATA);
res = hfs_brec_find(fd);
- if (hip->flags & HFSPLUS_FLG_EXT_NEW) {
+ if (hip->extent_state & HFSPLUS_EXT_NEW) {
if (res != -ENOENT)
return;
hfs_brec_insert(fd, hip->cached_extents,
sizeof(hfsplus_extent_rec));
- hip->flags &= ~(HFSPLUS_FLG_EXT_DIRTY | HFSPLUS_FLG_EXT_NEW);
+ hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);
} else {
if (res)
return;
hfs_bnode_write(fd->bnode, hip->cached_extents,
fd->entryoffset, fd->entrylength);
- hip->flags &= ~HFSPLUS_FLG_EXT_DIRTY;
+ hip->extent_state &= ~HFSPLUS_EXT_DIRTY;
}
}
static void hfsplus_ext_write_extent_locked(struct inode *inode)
{
- if (HFSPLUS_I(inode)->flags & HFSPLUS_FLG_EXT_DIRTY) {
+ if (HFSPLUS_I(inode)->extent_state & HFSPLUS_EXT_DIRTY) {
struct hfs_find_data fd;
hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd);
@@ -155,7 +155,7 @@ static inline int __hfsplus_ext_cache_extent(struct hfs_find_data *fd, struct in
WARN_ON(!mutex_is_locked(&hip->extents_lock));
- if (hip->flags & HFSPLUS_FLG_EXT_DIRTY)
+ if (hip->extent_state & HFSPLUS_EXT_DIRTY)
__hfsplus_ext_write_extent(inode, fd);
res = __hfsplus_ext_read_extent(fd, hip->cached_extents, inode->i_ino,
@@ -167,7 +167,7 @@ static inline int __hfsplus_ext_cache_extent(struct hfs_find_data *fd, struct in
hip->cached_blocks = hfsplus_ext_block_count(hip->cached_extents);
} else {
hip->cached_start = hip->cached_blocks = 0;
- hip->flags &= ~(HFSPLUS_FLG_EXT_DIRTY | HFSPLUS_FLG_EXT_NEW);
+ hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);
}
return res;
}
@@ -429,7 +429,7 @@ int hfsplus_file_extend(struct inode *inode)
start, len);
if (!res) {
hfsplus_dump_extent(hip->cached_extents);
- hip->flags |= HFSPLUS_FLG_EXT_DIRTY;
+ hip->extent_state |= HFSPLUS_EXT_DIRTY;
hip->cached_blocks += len;
} else if (res == -ENOSPC)
goto insert_extent;
@@ -450,7 +450,7 @@ insert_extent:
hip->cached_extents[0].start_block = cpu_to_be32(start);
hip->cached_extents[0].block_count = cpu_to_be32(len);
hfsplus_dump_extent(hip->cached_extents);
- hip->flags |= HFSPLUS_FLG_EXT_DIRTY | HFSPLUS_FLG_EXT_NEW;
+ hip->extent_state |= HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW;
hip->cached_start = hip->alloc_blocks;
hip->cached_blocks = len;
@@ -513,12 +513,12 @@ void hfsplus_file_truncate(struct inode *inode)
alloc_cnt - start, alloc_cnt - blk_cnt);
hfsplus_dump_extent(hip->cached_extents);
if (blk_cnt > start) {
- hip->flags |= HFSPLUS_FLG_EXT_DIRTY;
+ hip->extent_state |= HFSPLUS_EXT_DIRTY;
break;
}
alloc_cnt = start;
hip->cached_start = hip->cached_blocks = 0;
- hip->flags &= ~(HFSPLUS_FLG_EXT_DIRTY | HFSPLUS_FLG_EXT_NEW);
+ hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);
hfs_brec_remove(&fd);
}
hfs_find_exit(&fd);