From 0edd55faea7c8081bc826234b917501738a6218f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 18 Aug 2010 05:29:23 -0400 Subject: [PATCH] block: remove the BH_Eopnotsupp flag This flag was only set for barrier buffers, which we don't submit anymore. Signed-off-by: Christoph Hellwig Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- fs/buffer.c | 7 +------ fs/fat/misc.c | 5 +---- include/linux/buffer_head.h | 2 -- 3 files changed, 2 insertions(+), 12 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 3e7dca279d1c..7f0b9b083f77 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -156,7 +156,7 @@ void end_buffer_write_sync(struct buffer_head *bh, int uptodate) if (uptodate) { set_buffer_uptodate(bh); } else { - if (!buffer_eopnotsupp(bh) && !quiet_error(bh)) { + if (!quiet_error(bh)) { buffer_io_error(bh); printk(KERN_WARNING "lost page write due to " "I/O error on %s\n", @@ -2891,7 +2891,6 @@ static void end_bio_bh_io_sync(struct bio *bio, int err) if (err == -EOPNOTSUPP) { set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); - set_bit(BH_Eopnotsupp, &bh->b_state); } if (unlikely (test_bit(BIO_QUIET,&bio->bi_flags))) @@ -3031,10 +3030,6 @@ int __sync_dirty_buffer(struct buffer_head *bh, int rw) bh->b_end_io = end_buffer_write_sync; ret = submit_bh(rw, bh); wait_on_buffer(bh); - if (buffer_eopnotsupp(bh)) { - clear_buffer_eopnotsupp(bh); - ret = -EOPNOTSUPP; - } if (!ret && !buffer_uptodate(bh)) ret = -EIO; } else { diff --git a/fs/fat/misc.c b/fs/fat/misc.c index 1736f2356388..970e682ea754 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -255,10 +255,7 @@ int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs) for (i = 0; i < nr_bhs; i++) { wait_on_buffer(bhs[i]); - if (buffer_eopnotsupp(bhs[i])) { - clear_buffer_eopnotsupp(bhs[i]); - err = -EOPNOTSUPP; - } else if (!err && !buffer_uptodate(bhs[i])) + if (!err && !buffer_uptodate(bhs[i])) err = -EIO; } return err; diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index fc999f583fda..dd1b25b2641c 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -32,7 +32,6 @@ enum bh_state_bits { BH_Delay, /* Buffer is not yet allocated on disk */ BH_Boundary, /* Block is followed by a discontiguity */ BH_Write_EIO, /* I/O error on write */ - BH_Eopnotsupp, /* DEPRECATED: operation not supported (barrier) */ BH_Unwritten, /* Buffer is allocated on disk but not written */ BH_Quiet, /* Buffer Error Prinks to be quiet */ @@ -124,7 +123,6 @@ BUFFER_FNS(Async_Write, async_write) BUFFER_FNS(Delay, delay) BUFFER_FNS(Boundary, boundary) BUFFER_FNS(Write_EIO, write_io_error) -BUFFER_FNS(Eopnotsupp, eopnotsupp) BUFFER_FNS(Unwritten, unwritten) #define bh_offset(bh) ((unsigned long)(bh)->b_data & ~PAGE_MASK) -- 2.39.5