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authorChristoph Hellwig <hch@lst.de>2010-08-11 17:06:24 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-18 01:09:01 -0400
commit9cb569d601e0b93e01c20a22872270ec663b75f6 (patch)
tree80b2568fae48018806e82f8884062dae8a5494ae /fs/ufs/ialloc.c
parent87e99511ea54510ffb60b98001d108794d5037f8 (diff)
remove SWRITE* I/O types
These flags aren't real I/O types, but tell ll_rw_block to always lock the buffer instead of giving up on a failed trylock. Instead add a new write_dirty_buffer helper that implements this semantic and use it from the existing SWRITE* callers. Note that the ll_rw_block code had a bug where it didn't promote WRITE_SYNC_PLUG properly, which this patch fixes. In the ufs code clean up the helper that used to call ll_rw_block to mirror sync_dirty_buffer, which is the function it implements for compound buffers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ufs/ialloc.c')
-rw-r--r--fs/ufs/ialloc.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 428017e018fe..2eabf04af3de 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -113,10 +113,8 @@ void ufs_free_inode (struct inode * inode)
ubh_mark_buffer_dirty (USPI_UBH(uspi));
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
- if (sb->s_flags & MS_SYNCHRONOUS) {
- ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
- ubh_wait_on_buffer (UCPI_UBH(ucpi));
- }
+ if (sb->s_flags & MS_SYNCHRONOUS)
+ ubh_sync_block(UCPI_UBH(ucpi));
sb->s_dirt = 1;
unlock_super (sb);
@@ -156,10 +154,8 @@ static void ufs2_init_inodes_chunk(struct super_block *sb,
fs32_add(sb, &ucg->cg_u.cg_u2.cg_initediblk, uspi->s_inopb);
ubh_mark_buffer_dirty(UCPI_UBH(ucpi));
- if (sb->s_flags & MS_SYNCHRONOUS) {
- ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
- ubh_wait_on_buffer(UCPI_UBH(ucpi));
- }
+ if (sb->s_flags & MS_SYNCHRONOUS)
+ ubh_sync_block(UCPI_UBH(ucpi));
UFSD("EXIT\n");
}
@@ -290,10 +286,8 @@ cg_found:
}
ubh_mark_buffer_dirty (USPI_UBH(uspi));
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
- if (sb->s_flags & MS_SYNCHRONOUS) {
- ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
- ubh_wait_on_buffer (UCPI_UBH(ucpi));
- }
+ if (sb->s_flags & MS_SYNCHRONOUS)
+ ubh_sync_block(UCPI_UBH(ucpi));
sb->s_dirt = 1;
inode->i_ino = cg * uspi->s_ipg + bit;