Displaying 6 results from an estimated 6 matches for "inode_blocks".
2008 Sep 02
1
[PATCH] ocfs2: Fix a bug in direct IO read.
...ocfs2/aops.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 80fa3fc..f27c1cc 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -576,6 +576,14 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
inode_blocks = ocfs2_blocks_for_bytes(inode->i_sb, i_size_read(inode));
/*
+ * For a read which begins past the end of file, we return a hole.
+ */
+ if (!create && (iblock >= inode_blocks)) {
+ ret = 0;
+ goto bail;
+ }
+
+ /*
* Any write past EOF is not allowed because we'd be ext...
2009 Jul 21
1
[PATCH 1/1] ocfs2: adds mlogs to aops.c -V2
...the right size, so there's no need
* for us to check any of that. */
@@ -565,6 +603,8 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
* Any write past EOF is not allowed because we'd be extending.
*/
if (create && (iblock + max_blocks) > inode_blocks) {
+ mlog(0, "writting to EOF(%llu/%llu)\n",
+ iblock + max_blocks, inode_blocks);
ret = -EIO;
goto bail;
}
@@ -618,6 +658,7 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
contig_blocks = max_blocks;
bh_result->b_size = contig_blocks...
2006 Dec 29
3
[git patches] ocfs2 fixes
...fs2/aops.c
index ef6cd30..93628b0 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -540,8 +540,7 @@ static int ocfs2_direct_IO_get_blocks(st
struct buffer_head *bh_result, int create)
{
int ret;
- u64 vbo_max; /* file offset, max_blocks from iblock */
- u64 p_blkno;
+ u64 p_blkno, inode_blocks;
int contig_blocks;
unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
unsigned long max_blocks = bh_result->b_size >> inode->i_blkbits;
@@ -550,12 +549,23 @@ static int ocfs2_direct_IO_get_blocks(st
* nicely aligned and of the right size, so there's no nee...
2006 May 01
1
"Guessing" superblock parameters
Hi again,
I have the following scenario: I've got a partition which has exactly
14659312 blocks:
$ fdisk -l /dev/hda
Disk /dev/hda: 28.5 GB, 28520497152 bytes
255 heads, 63 sectors/track, 3467 cylinders
Units = Zylinder of 16065 * 512 = 8225280 bytes
Ger?t Boot Start End Blocks Id System
(...)
/dev/hda4 1643 3467 14659312+ 83 Linux
(...)
2009 Jul 13
1
[PATCH 1/1] adds mlogs to aops.c
...the right size, so there's no need
* for us to check any of that. */
@@ -565,6 +599,8 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
* Any write past EOF is not allowed because we'd be extending.
*/
if (create && (iblock + max_blocks) > inode_blocks) {
+ mlog(0, "writting to EOF(%llu/%llu)\n",
+ iblock + max_blocks, inode_blocks);
ret = -EIO;
goto bail;
}
@@ -618,6 +654,7 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
contig_blocks = max_blocks;
bh_result->b_size = contig_blocks...
2009 Jul 21
1
(no subject)
...the right size, so there's no need
* for us to check any of that. */
@@ -565,6 +603,8 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
* Any write past EOF is not allowed because we'd be extending.
*/
if (create && (iblock + max_blocks) > inode_blocks) {
+ mlog(0, "writting to EOF(%llu/%llu)\n",
+ iblock + max_blocks, inode_blocks);
ret = -EIO;
goto bail;
}
@@ -618,6 +658,7 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
contig_blocks = max_blocks;
bh_result->b_size = contig_blocks...