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-rw-r--r--fs/nilfs2/dir.c25
-rw-r--r--fs/nilfs2/gcdat.c2
-rw-r--r--fs/nilfs2/inode.c78
-rw-r--r--fs/nilfs2/nilfs.h2
-rw-r--r--fs/nilfs2/recovery.c11
-rw-r--r--fs/nilfs2/super.c20
6 files changed, 80 insertions, 58 deletions
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index b60277b44468..cb003c8ee1f6 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -80,23 +80,10 @@ static unsigned nilfs_last_byte(struct inode *inode, unsigned long page_nr)
return last_byte;
}
-static int nilfs_prepare_chunk_uninterruptible(struct page *page,
- struct address_space *mapping,
- unsigned from, unsigned to)
+static int nilfs_prepare_chunk(struct page *page, unsigned from, unsigned to)
{
loff_t pos = page_offset(page) + from;
- return block_write_begin(NULL, mapping, pos, to - from,
- AOP_FLAG_UNINTERRUPTIBLE, &page,
- NULL, nilfs_get_block);
-}
-
-static int nilfs_prepare_chunk(struct page *page,
- struct address_space *mapping,
- unsigned from, unsigned to)
-{
- loff_t pos = page_offset(page) + from;
- return block_write_begin(NULL, mapping, pos, to - from, 0, &page,
- NULL, nilfs_get_block);
+ return __block_write_begin(page, pos, to - from, nilfs_get_block);
}
static void nilfs_commit_chunk(struct page *page,
@@ -447,7 +434,7 @@ void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de,
int err;
lock_page(page);
- err = nilfs_prepare_chunk_uninterruptible(page, mapping, from, to);
+ err = nilfs_prepare_chunk(page, from, to);
BUG_ON(err);
de->inode = cpu_to_le64(inode->i_ino);
nilfs_set_de_type(de, inode);
@@ -528,7 +515,7 @@ int nilfs_add_link(struct dentry *dentry, struct inode *inode)
got_it:
from = (char *)de - (char *)page_address(page);
to = from + rec_len;
- err = nilfs_prepare_chunk(page, page->mapping, from, to);
+ err = nilfs_prepare_chunk(page, from, to);
if (err)
goto out_unlock;
if (de->inode) {
@@ -586,7 +573,7 @@ int nilfs_delete_entry(struct nilfs_dir_entry *dir, struct page *page)
if (pde)
from = (char *)pde - (char *)page_address(page);
lock_page(page);
- err = nilfs_prepare_chunk(page, mapping, from, to);
+ err = nilfs_prepare_chunk(page, from, to);
BUG_ON(err);
if (pde)
pde->rec_len = nilfs_rec_len_to_disk(to - from);
@@ -614,7 +601,7 @@ int nilfs_make_empty(struct inode *inode, struct inode *parent)
if (!page)
return -ENOMEM;
- err = nilfs_prepare_chunk(page, mapping, 0, chunk_size);
+ err = nilfs_prepare_chunk(page, 0, chunk_size);
if (unlikely(err)) {
unlock_page(page);
goto fail;
diff --git a/fs/nilfs2/gcdat.c b/fs/nilfs2/gcdat.c
index dd5f7e0a95f6..84a45d1d5464 100644
--- a/fs/nilfs2/gcdat.c
+++ b/fs/nilfs2/gcdat.c
@@ -78,7 +78,7 @@ void nilfs_clear_gcdat_inode(struct the_nilfs *nilfs)
struct inode *gcdat = nilfs->ns_gc_dat;
struct nilfs_inode_info *gii = NILFS_I(gcdat);
- gcdat->i_state = I_CLEAR;
+ gcdat->i_state = I_FREEING | I_CLEAR;
gii->i_flags = 0;
nilfs_palloc_clear_cache(gcdat);
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 39e038ac8fcb..eccb2f2e2315 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -27,6 +27,7 @@
#include <linux/writeback.h>
#include <linux/uio.h>
#include "nilfs.h"
+#include "btnode.h"
#include "segment.h"
#include "page.h"
#include "mdt.h"
@@ -197,11 +198,15 @@ static int nilfs_write_begin(struct file *file, struct address_space *mapping,
if (unlikely(err))
return err;
- *pagep = NULL;
- err = block_write_begin(file, mapping, pos, len, flags, pagep,
- fsdata, nilfs_get_block);
- if (unlikely(err))
+ err = block_write_begin(mapping, pos, len, flags, pagep,
+ nilfs_get_block);
+ if (unlikely(err)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+
nilfs_transaction_abort(inode->i_sb);
+ }
return err;
}
@@ -237,6 +242,19 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
/* Needs synchronization with the cleaner */
size = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
offset, nr_segs, nilfs_get_block, NULL);
+
+ /*
+ * In case of error extending write may have instantiated a few
+ * blocks outside i_size. Trim these off again.
+ */
+ if (unlikely((rw & WRITE) && size < 0)) {
+ loff_t isize = i_size_read(inode);
+ loff_t end = offset + iov_length(iov, nr_segs);
+
+ if (end > isize)
+ vmtruncate(inode, isize);
+ }
+
return size;
}
@@ -337,7 +355,6 @@ void nilfs_free_inode(struct inode *inode)
struct super_block *sb = inode->i_sb;
struct nilfs_sb_info *sbi = NILFS_SB(sb);
- clear_inode(inode);
/* XXX: check error code? Is there any thing I can do? */
(void) nilfs_ifile_delete_inode(sbi->s_ifile, inode->i_ino);
atomic_dec(&sbi->s_inodes_count);
@@ -597,16 +614,34 @@ void nilfs_truncate(struct inode *inode)
But truncate has no return value. */
}
-void nilfs_delete_inode(struct inode *inode)
+static void nilfs_clear_inode(struct inode *inode)
+{
+ struct nilfs_inode_info *ii = NILFS_I(inode);
+
+ /*
+ * Free resources allocated in nilfs_read_inode(), here.
+ */
+ BUG_ON(!list_empty(&ii->i_dirty));
+ brelse(ii->i_bh);
+ ii->i_bh = NULL;
+
+ if (test_bit(NILFS_I_BMAP, &ii->i_state))
+ nilfs_bmap_clear(ii->i_bmap);
+
+ nilfs_btnode_cache_clear(&ii->i_btnode_cache);
+}
+
+void nilfs_evict_inode(struct inode *inode)
{
struct nilfs_transaction_info ti;
struct super_block *sb = inode->i_sb;
struct nilfs_inode_info *ii = NILFS_I(inode);
- if (unlikely(is_bad_inode(inode))) {
+ if (inode->i_nlink || unlikely(is_bad_inode(inode))) {
if (inode->i_data.nrpages)
truncate_inode_pages(&inode->i_data, 0);
- clear_inode(inode);
+ end_writeback(inode);
+ nilfs_clear_inode(inode);
return;
}
nilfs_transaction_begin(sb, &ti, 0); /* never fails */
@@ -616,6 +651,8 @@ void nilfs_delete_inode(struct inode *inode)
nilfs_truncate_bmap(ii, 0);
nilfs_mark_inode_dirty(inode);
+ end_writeback(inode);
+ nilfs_clear_inode(inode);
nilfs_free_inode(inode);
/* nilfs_free_inode() marks inode buffer dirty */
if (IS_SYNC(inode))
@@ -639,14 +676,27 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
err = nilfs_transaction_begin(sb, &ti, 0);
if (unlikely(err))
return err;
- err = inode_setattr(inode, iattr);
- if (!err && (iattr->ia_valid & ATTR_MODE))
+
+ if ((iattr->ia_valid & ATTR_SIZE) &&
+ iattr->ia_size != i_size_read(inode)) {
+ err = vmtruncate(inode, iattr->ia_size);
+ if (unlikely(err))
+ goto out_err;
+ }
+
+ setattr_copy(inode, iattr);
+ mark_inode_dirty(inode);
+
+ if (iattr->ia_valid & ATTR_MODE) {
err = nilfs_acl_chmod(inode);
- if (likely(!err))
- err = nilfs_transaction_commit(sb);
- else
- nilfs_transaction_abort(sb);
+ if (unlikely(err))
+ goto out_err;
+ }
+
+ return nilfs_transaction_commit(sb);
+out_err:
+ nilfs_transaction_abort(sb);
return err;
}
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 0842d775b3e0..d3d54046e5f8 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -250,7 +250,7 @@ extern void nilfs_write_inode_common(struct inode *, struct nilfs_inode *, int);
extern struct inode *nilfs_iget(struct super_block *, unsigned long);
extern void nilfs_update_inode(struct inode *, struct buffer_head *);
extern void nilfs_truncate(struct inode *);
-extern void nilfs_delete_inode(struct inode *);
+extern void nilfs_evict_inode(struct inode *);
extern int nilfs_setattr(struct dentry *, struct iattr *);
extern int nilfs_load_inode_block(struct nilfs_sb_info *, struct inode *,
struct buffer_head **);
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index 83e3d8c61a01..d0c35ef39f6a 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -523,11 +523,14 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
}
pos = rb->blkoff << inode->i_blkbits;
- page = NULL;
- err = block_write_begin(NULL, inode->i_mapping, pos, blocksize,
- 0, &page, NULL, nilfs_get_block);
- if (unlikely(err))
+ err = block_write_begin(inode->i_mapping, pos, blocksize,
+ 0, &page, nilfs_get_block);
+ if (unlikely(err)) {
+ loff_t isize = inode->i_size;
+ if (pos + blocksize > isize)
+ vmtruncate(inode, isize);
goto failed_inode;
+ }
err = nilfs_recovery_copy_block(nilfs, rb, page);
if (unlikely(err))
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 26078b3407c9..1fa86b9df73b 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -171,23 +171,6 @@ void nilfs_destroy_inode(struct inode *inode)
kmem_cache_free(nilfs_inode_cachep, NILFS_I(inode));
}
-static void nilfs_clear_inode(struct inode *inode)
-{
- struct nilfs_inode_info *ii = NILFS_I(inode);
-
- /*
- * Free resources allocated in nilfs_read_inode(), here.
- */
- BUG_ON(!list_empty(&ii->i_dirty));
- brelse(ii->i_bh);
- ii->i_bh = NULL;
-
- if (test_bit(NILFS_I_BMAP, &ii->i_state))
- nilfs_bmap_clear(ii->i_bmap);
-
- nilfs_btnode_cache_clear(&ii->i_btnode_cache);
-}
-
static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag)
{
struct the_nilfs *nilfs = sbi->s_nilfs;
@@ -548,7 +531,7 @@ static const struct super_operations nilfs_sops = {
/* .write_inode = nilfs_write_inode, */
/* .put_inode = nilfs_put_inode, */
/* .drop_inode = nilfs_drop_inode, */
- .delete_inode = nilfs_delete_inode,
+ .evict_inode = nilfs_evict_inode,
.put_super = nilfs_put_super,
/* .write_super = nilfs_write_super, */
.sync_fs = nilfs_sync_fs,
@@ -556,7 +539,6 @@ static const struct super_operations nilfs_sops = {
/* .unlockfs */
.statfs = nilfs_statfs,
.remount_fs = nilfs_remount,
- .clear_inode = nilfs_clear_inode,
/* .umount_begin */
.show_options = nilfs_show_options
};
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-26 07:01:07 +0000