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ext4: Use scoped memory APIs in ext4_write_begin()

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Instead of setting AOP_FLAG_NOFS, use memalloc_nofs_save() and
memalloc_nofs_restore() to prevent GFP_FS allocations recursing
into the filesystem with a journal already started.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Matthew Wilcox (Oracle)
2022-02-22 10:36:28 -05:00
parent 36d116e99d
commit 832ee62d99
3 changed files with 11 additions and 13 deletions
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fs/ext4/ext4.h
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@ -3591,7 +3591,6 @@ extern int ext4_readpage_inline(struct inode *inode, struct page *page);
extern int ext4_try_to_write_inline_data(struct address_space *mapping,
struct inode *inode,
loff_t pos, unsigned len,
unsigned flags,
struct page **pagep);
extern int ext4_write_inline_data_end(struct inode *inode,
loff_t pos, unsigned len,