diff options
Diffstat (limited to 'fs/jfs/inode.c')
| -rw-r--r-- | fs/jfs/inode.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 9978803ceed..bd3df1ca3c9 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -23,6 +23,7 @@ #include <linux/pagemap.h> #include <linux/quotaops.h> #include <linux/writeback.h> +#include <linux/aio.h> #include "jfs_incore.h" #include "jfs_inode.h" #include "jfs_filsys.h" @@ -125,7 +126,7 @@ int jfs_write_inode(struct inode *inode, struct writeback_control *wbc) { int wait = wbc->sync_mode == WB_SYNC_ALL; - if (test_cflag(COMMIT_Nolink, inode)) + if (inode->i_nlink == 0) return 0; /* * If COMMIT_DIRTY is not set, the inode isn't really dirty. @@ -153,7 +154,7 @@ void jfs_evict_inode(struct inode *inode) dquot_initialize(inode); if (JFS_IP(inode)->fileset == FILESYSTEM_I) { - truncate_inode_pages(&inode->i_data, 0); + truncate_inode_pages_final(&inode->i_data); if (test_cflag(COMMIT_Freewmap, inode)) jfs_free_zero_link(inode); @@ -167,13 +168,13 @@ void jfs_evict_inode(struct inode *inode) dquot_free_inode(inode); } } else { - truncate_inode_pages(&inode->i_data, 0); + truncate_inode_pages_final(&inode->i_data); } - end_writeback(inode); + clear_inode(inode); dquot_drop(inode); } -void jfs_dirty_inode(struct inode *inode) +void jfs_dirty_inode(struct inode *inode, int flags) { static int noisy = 5; @@ -300,6 +301,16 @@ static int jfs_readpages(struct file *file, struct address_space *mapping, return mpage_readpages(mapping, pages, nr_pages, jfs_get_block); } +static void jfs_write_failed(struct address_space *mapping, loff_t to) +{ + struct inode *inode = mapping->host; + + if (to > inode->i_size) { + truncate_pagecache(inode, inode->i_size); + jfs_truncate(inode); + } +} + static int jfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) @@ -308,11 +319,8 @@ static int jfs_write_begin(struct file *file, struct address_space *mapping, ret = nobh_write_begin(mapping, pos, len, flags, pagep, fsdata, jfs_get_block); - if (unlikely(ret)) { - loff_t isize = mapping->host->i_size; - if (pos + len > isize) - vmtruncate(mapping->host, isize); - } + if (unlikely(ret)) + jfs_write_failed(mapping, pos + len); return ret; } @@ -323,14 +331,15 @@ static sector_t jfs_bmap(struct address_space *mapping, sector_t block) } static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb, - const struct iovec *iov, loff_t offset, unsigned long nr_segs) + struct iov_iter *iter, loff_t offset) { struct file *file = iocb->ki_filp; + struct address_space *mapping = file->f_mapping; struct inode *inode = file->f_mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; - ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, - offset, nr_segs, jfs_get_block, NULL); + ret = blockdev_direct_IO(rw, iocb, inode, iter, offset, jfs_get_block); /* * In case of error extending write may have instantiated a few @@ -338,10 +347,10 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb, */ if (unlikely((rw & WRITE) && ret < 0)) { loff_t isize = i_size_read(inode); - loff_t end = offset + iov_length(iov, nr_segs); + loff_t end = offset + count; if (end > isize) - vmtruncate(inode, isize); + jfs_write_failed(mapping, end); } return ret; @@ -352,7 +361,6 @@ const struct address_space_operations jfs_aops = { .readpages = jfs_readpages, .writepage = jfs_writepage, .writepages = jfs_writepages, - .sync_page = block_sync_page, .write_begin = jfs_write_begin, .write_end = nobh_write_end, .bmap = jfs_bmap, |